56316388 has 12 divisors (see below), whose sum is σ = 99530172. Its totient is φ = 27879200.

The previous prime is 56316373. The next prime is 56316409. The reversal of 56316388 is 88361365.

It can be written as a sum of positive squares in 2 ways, for example, as 35904064 + 20412324 = 5992^2 + 4518^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 56316388.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 69295 + ... + 70102.

It is an arithmetic number, because the mean of its divisors is an integer number (8294181).

Almost surely, 2^56316388 is an apocalyptic number.

It is an amenable number.

56316388 is a deficient number, since it is larger than the sum of its proper divisors (43213784).

56316388 is a wasteful number, since it uses less digits than its factorization.

56316388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139502 (or 139500 counting only the distinct ones).

The product of its digits is 103680, while the sum is 40.

The square root of 56316388 is about 7504.4245615503. The cubic root of 56316388 is about 383.3053939729.

The spelling of 56316388 in words is "fifty-six million, three hundred sixteen thousand, three hundred eighty-eight".