56017250 has 16 divisors (see below), whose sum is σ = 104864760. Its totient is φ = 22406800.

The previous prime is 56017231. The next prime is 56017289. The reversal of 56017250 is 5271065.

It can be written as a sum of positive squares in 4 ways, for example, as 3845521 + 52171729 = 1961^2 + 7223^2 .

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 111785 + ... + 112284.

Almost surely, 2^56017250 is an apocalyptic number.

56017250 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

56017250 is a deficient number, since it is larger than the sum of its proper divisors (48847510).

56017250 is a wasteful number, since it uses less digits than its factorization.

56017250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 224086 (or 224076 counting only the distinct ones).

The product of its (nonzero) digits is 2100, while the sum is 26.

The square root of 56017250 is about 7484.4672489096. The cubic root of 56017250 is about 382.6255159298.

The spelling of 56017250 in words is "fifty-six million, seventeen thousand, two hundred fifty".