56870564 has 24 divisors (see below), whose sum is σ = 102039168. Its totient is φ = 27721440.

The previous prime is 56870563. The next prime is 56870573. The reversal of 56870564 is 46507865.

56870564 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×56870564² = 6468522099356192, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (56870563) 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 7 ways as a sum of consecutive naturals, for example, 69719 + ... + 70529.

It is an arithmetic number, because the mean of its divisors is an integer number (4251632).

Almost surely, 2^56870564 is an apocalyptic number.

It is an amenable number.

56870564 is a deficient number, since it is larger than the sum of its proper divisors (45168604).

56870564 is a wasteful number, since it uses less digits than its factorization.

56870564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1235 (or 1233 counting only the distinct ones).

The product of its (nonzero) digits is 201600, while the sum is 41.

The square root of 56870564 is about 7541.2574548281. The cubic root of 56870564 is about 384.5585855694.

The spelling of 56870564 in words is "fifty-six million, eight hundred seventy thousand, five hundred sixty-four".