57512056 has 16 divisors (see below), whose sum is σ = 123240240. Its totient is φ = 24648000.

The previous prime is 57512033. The next prime is 57512057. The reversal of 57512056 is 65021575.

57512056 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57512057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 513445 + ... + 513556.

It is an arithmetic number, because the mean of its divisors is an integer number (7702515).

Almost surely, 2^57512056 is an apocalyptic number.

57512056 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

57512056 is an abundant number, since it is smaller than the sum of its proper divisors (65728184).

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

57512056 is a wasteful number, since it uses less digits than its factorization.

57512056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1027014 (or 1027010 counting only the distinct ones).

The product of its (nonzero) digits is 10500, while the sum is 31.

The square root of 57512056 is about 7583.6703514855. The cubic root of 57512056 is about 385.9991051193. Note that the first 3 decimals are identical.

The spelling of 57512056 in words is "fifty-seven million, five hundred twelve thousand, fifty-six".