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Country and language

Country and language: Singapore

Country and language

53 in words

53

fifty-three

53 is written fifty-three.

Ways to write it

As an ordinal
fifty-third
Roman numeral
LIII
Expanded form
50 + 3

Place value

PlaceDigitValue
tens550
ones33

Number facts

Even or odd
Odd
Prime or composite
Prime
Factors
1 and 53 (2 factors)
First 10 multiples
53, 106, 159, 212, 265, 318, 371, 424, 477, 530
Square
53 × 53 = 2,809
Square root
≈ 7.28
Sum of the digits
5 + 3 = 8
Rounded to the nearest 10
50
Number before
52
Number after
54
In binary
110101

Quick check

  1. What number comes just after 53?

    Show the answer

    54

  2. Is 53 even or odd?

    Show the answer

    Odd

  3. What is 53 + 10?

    Show the answer

    63

Practise with a game

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Frequently asked questions

How do you write 53 in words?

53 is written "fifty-three".

Is 53 a prime number?

Yes. 53 is a prime number: its only factors are 1 and 53.

What are the factors of 53?

The factors of 53 are 1 and 53.

How do you write 53 in Roman numerals?

53 in Roman numerals is LIII.