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54 in words

54

fifty-four

54 is written fifty-four.

Ways to write it

As an ordinal: fifty-fourth
Roman numeral: LIV
Expanded form: 50 + 4

Place value

Place	Digit	Value
tens	5	50
ones	4	4

Number facts

Even or odd: Even
Prime or composite: Composite
Factors: 1, 2, 3, 6, 9, 18, 27 and 54 (8 factors)
First 10 multiples: 54, 108, 162, 216, 270, 324, 378, 432, 486, 540
Square: 54 × 54 = 2,916
Square root: ≈ 7.35
Sum of the digits: 5 + 4 = 9
Rounded to the nearest 10: 50
Number before: 53
Number after: 55
In binary: 110110

Quick check

What number comes just after 54?
Show the answer
55
Is 54 even or odd?
Show the answer
Even
What is 54 + 10?
Show the answer
64

Practise with a game

Count with Me

Count pictures up to 5, 10 or 20 and compare groups.

Place Value Quest

Ones, tens, hundreds and thousands.

Times Tables Challenge

Practise any times table from 2× to 12×.

Frequently asked questions

How do you write 54 in words?

54 is written "fifty-four".

Is 54 a prime number?

No. 54 is a composite number, because it has more than two factors.

What are the factors of 54?

The factors of 54 are 1, 2, 3, 6, 9, 18, 27 and 54.

How do you write 54 in Roman numerals?

54 in Roman numerals is LIV.