56740624 has 20 divisors (see below), whose sum is σ = 110073436. Its totient is φ = 28334592.

The previous prime is 56740603. The next prime is 56740627. The reversal of 56740624 is 42604765.

It can be written as a sum of positive squares in 2 ways, for example, as 40094224 + 16646400 = 6332^2 + 4080^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 56740624.

It is not an unprimeable number, because it can be changed into a prime (56740627) 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 3 ways as a sum of consecutive naturals, for example, 14812 + ... + 18244.

Almost surely, 2^56740624 is an apocalyptic number.

It is an amenable number.

56740624 is a deficient number, since it is larger than the sum of its proper divisors (53332812).

56740624 is a wasteful number, since it uses less digits than its factorization.

56740624 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4474 (or 4468 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 34.

The square root of 56740624 is about 7532.6372539769. The cubic root of 56740624 is about 384.2654775893.

The spelling of 56740624 in words is "fifty-six million, seven hundred forty thousand, six hundred twenty-four".