50 (number)

Fifty – 50

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Order	fiftieth
Numbers: 0 1 2 3 4 5 6 7 8 9 10 20 30 40 50 60 70 80 90

Fifty is the integer that is after forty-nine and before fifty-one.

The prime factors of fifty are 2, 5, and 5. (2 * 5 * 5 = 50) The factors of 50 are 1, 2, 5, 10, 25, and 50. 5*10=50. 50 is the smallest number that can be written as the sum of two squares in two distinct ways: 50=1²+7²=5²+5². Also, 50 is one-half of 100 or half of a century (a century is 100 years).