56157200 has 60 divisors (see below), whose sum is σ = 147194448. Its totient is φ = 20419200.

The previous prime is 56157193. The next prime is 56157223. The reversal of 56157200 is 275165.

It is a super-2 number, since 2×56157200² = 6307262223680000, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 56157200.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1982 + ... + 10781.

Almost surely, 2^56157200 is an apocalyptic number.

56157200 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

56157200 is an abundant number, since it is smaller than the sum of its proper divisors (91037248).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

56157200 is a wasteful number, since it uses less digits than its factorization.

56157200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12792 (or 12781 counting only the distinct ones).

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

The square root of 56157200 is about 7493.8107795700. The cubic root of 56157200 is about 382.9438935053.

The spelling of 56157200 in words is "fifty-six million, one hundred fifty-seven thousand, two hundred".