56913570 has 64 divisors (see below), whose sum is σ = 173456640. Its totient is φ = 13008384.

The previous prime is 56913541. The next prime is 56913589. The reversal of 56913570 is 7531965.

It is a happy number.

56913570 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 13167 + ... + 16946.

It is an arithmetic number, because the mean of its divisors is an integer number (2710260).

Almost surely, 2^56913570 is an apocalyptic number.

56913570 is an abundant number, since it is smaller than the sum of its proper divisors (116543070).

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

56913570 is a wasteful number, since it uses less digits than its factorization.

56913570 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30136 (or 30130 counting only the distinct ones).

The product of its (nonzero) digits is 28350, while the sum is 36.

The square root of 56913570 is about 7544.1082972078. The cubic root of 56913570 is about 384.6554966268.

It can be divided in two parts, 5691 and 3570, that added together give a cube (9261 = 21³).

The spelling of 56913570 in words is "fifty-six million, nine hundred thirteen thousand, five hundred seventy".