56679624 has 24 divisors (see below), whose sum is σ = 153507510. Its totient is φ = 18893184.

The previous prime is 56679619. The next prime is 56679647. The reversal of 56679624 is 42697665.

It can be written as a sum of positive squares in only one way, i.e., 47858724 + 8820900 = 6918^2 + 2970^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is a self number, because there is not a number n which added to its sum of digits gives 56679624.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 393537 + ... + 393680.

Almost surely, 2^56679624 is an apocalyptic number.

It is an amenable number.

56679624 is an abundant number, since it is smaller than the sum of its proper divisors (96827886).

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

56679624 is a wasteful number, since it uses less digits than its factorization.

56679624 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 787229 (or 787222 counting only the distinct ones).

The product of its digits is 544320, while the sum is 45.

The square root of 56679624 is about 7528.5871184439. The cubic root of 56679624 is about 384.1277244392.

The spelling of 56679624 in words is "fifty-six million, six hundred seventy-nine thousand, six hundred twenty-four".