56574056 has 32 divisors (see below), whose sum is σ = 132252480. Its totient is φ = 22041600.

The previous prime is 56574047. The next prime is 56574059. The reversal of 56574056 is 65047565.

It is a super-2 number, since 2×56574056² = 6401247624582272, which contains 22 as substring.

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (56574059) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45305 + ... + 46536.

It is an arithmetic number, because the mean of its divisors is an integer number (4132890).

Almost surely, 2^56574056 is an apocalyptic number.

56574056 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

56574056 is an abundant number, since it is smaller than the sum of its proper divisors (75678424).

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

56574056 is a wasteful number, since it uses less digits than its factorization.

56574056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91865 (or 91861 counting only the distinct ones).

The product of its (nonzero) digits is 126000, while the sum is 38.

The square root of 56574056 is about 7521.5727078850. The cubic root of 56574056 is about 383.8890919576.

The spelling of 56574056 in words is "fifty-six million, five hundred seventy-four thousand, fifty-six".