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50 in words

50

fifty

50 is written fifty.

Ways to write it

As an ordinal: fiftieth
Roman numeral: L
Expanded form: 50

Place value

Place	Digit	Value
tens	5	50
ones	0	0

Number facts

Even or odd: Even
Prime or composite: Composite
Factors: 1, 2, 5, 10, 25 and 50 (6 factors)
First 10 multiples: 50, 100, 150, 200, 250, 300, 350, 400, 450, 500
Square: 50 × 50 = 2,500
Square root: ≈ 7.07
Sum of the digits: 5 + 0 = 5
Rounded to the nearest 10: 50
Number before: 49
Number after: 51
In binary: 110010

Quick check

What number comes just after 50?
Show the answer
51
Is 50 even or odd?
Show the answer
Even
What is 50 + 10?
Show the answer
60

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 50 in words?

50 is written "fifty".

Is 50 a prime number?

No. 50 is a composite number, because it has more than two factors.

What are the factors of 50?

The factors of 50 are 1, 2, 5, 10, 25 and 50.

How do you write 50 in Roman numerals?

50 in Roman numerals is L.