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Country and language

Country and language: Singapore

Country and language

57 in words

57

fifty-seven

57 is written fifty-seven.

Ways to write it

As an ordinal
fifty-seventh
Roman numeral
LVII
Expanded form
50 + 7

Place value

PlaceDigitValue
tens550
ones77

Number facts

Even or odd
Odd
Prime or composite
Composite
Factors
1, 3, 19 and 57 (4 factors)
First 10 multiples
57, 114, 171, 228, 285, 342, 399, 456, 513, 570
Square
57 × 57 = 3,249
Square root
≈ 7.55
Sum of the digits
5 + 7 = 12
Rounded to the nearest 10
60
Number before
56
Number after
58
In binary
111001

Quick check

  1. What number comes just after 57?

    Show the answer

    58

  2. Is 57 even or odd?

    Show the answer

    Odd

  3. What is 57 + 10?

    Show the answer

    67

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Frequently asked questions

How do you write 57 in words?

57 is written "fifty-seven".

Is 57 a prime number?

No. 57 is a composite number, because it has more than two factors.

What are the factors of 57?

The factors of 57 are 1, 3, 19 and 57.

How do you write 57 in Roman numerals?

57 in Roman numerals is LVII.