# Is 55 a Prime Number or Composite Number

Created by: Team Maths - Examples.com, Last Updated: May 7, 2024

## Is 55 a Prime Number?

### No – 55 is not a Prime Number.

Why No: 55 is not a prime number because it does not meet the prime criteria of having exactly two distinct positive divisors: 1 and itself. Check Prime or Not

## Is 55 a Composite Number?

### Yes – 55 is a Composite Number.

Why Yes: 55 is a composite number because it has more than two distinct positive divisors. It has 1, 5, 11, and itself (55).

## Problem Statements

Is 55 a prime number? No
Is 55 a composite number? Yes
Is 55 a perfect square? No
Factors of 55 1, 5, 11, 55
Multiples of 55 55, 110, 165, 220, 275, 330, 385, 440, 495, 550
Cube Root of 55 3.802
Square of 55 3025
Square Root of 55 7.416
Is 55 a Perfect Cube? No
Is 55 an Irrational number No
Is 55 a Rational number Yes
Is 55 a Real number Yes
Is 55 an Integer Yes
Is 55 a Natural number Yes
Is 55 a Whole number Yes
Is 55 an Even or odd number Yes (55 is an odd number)
Is 55 an Ordinal number Yes
Is 55 a Complex number Yes (as all real numbers are also complex numbers)

## What are the factors of 55?

The factors of 55 are 1, 5, 11, and 55. 55 is not a prime number because it is divisible by numbers other than 1 and itself, highlighting its nature as not solely divisible by 1 and itself, thus being a composite number. It has a unique set of factors, making it clear that it is a composite number and not a prime number.

## What Kind of Number is 55?

• 55 is traditionally categorized as a composite number because it has more than two distinct positive divisors: 1, 5, 11, and itself.
• 55 is one of the odd numbers; it is an odd number.
• 55 is considered significant in various contexts, potentially for its mathematical properties as a product of prime factors.
• 55 is a natural number.
• 55 is a positive integer.
• 55 is discussed in the context of composite numbers rather than prime numbers.
• 55 is an odd number.
• 55 is a rational number.
• 55 is a whole number.

55 is recognized for its status as a composite number, marked by its divisibility by numbers other than just 1 and itself. The number 55, as a composite number, holds a distinct place in mathematics and conceptual frameworks. Its properties as an odd number, a composite, and a natural number make it a notable figure in various mathematical discussions.

## Nearest Prime Number of 55

The nearest prime numbers to 55 are 53 and 59. 53 is the closest prime number less than 55, and 59 is the closest prime number greater than 55.

## What is 55 as a product of prime factors?

55 as a product of prime factors is 5×11, breaking it down into its simplest prime components.

## Is 55 a odd composite number?

Yes, 55 is an odd composite number because it has divisors other than 1 and itself (5 and 11) and is not divisible by 2.

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