56907552 has 48 divisors (see below), whose sum is σ = 160876800. Its totient is φ = 17509632.

The previous prime is 56907547. The next prime is 56907559. The reversal of 56907552 is 25570965.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a self number, because there is not a number n which added to its sum of digits gives 56907552.

It is not an unprimeable number, because it can be changed into a prime (56907559) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21552 + ... + 24047.

It is an arithmetic number, because the mean of its divisors is an integer number (3351600).

Almost surely, 2^56907552 is an apocalyptic number.

56907552 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

56907552 is an abundant number, since it is smaller than the sum of its proper divisors (103969248).

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

56907552 is a wasteful number, since it uses less digits than its factorization.

56907552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45625 (or 45617 counting only the distinct ones).

The product of its (nonzero) digits is 94500, while the sum is 39.

The square root of 56907552 is about 7543.7094323681. The cubic root of 56907552 is about 384.6419384169.

The spelling of 56907552 in words is "fifty-six million, nine hundred seven thousand, five hundred fifty-two".