56329920 has 84 divisors (see below), whose sum is σ = 193761360. Its totient is φ = 15020544.

The previous prime is 56329913. The next prime is 56329951. The reversal of 56329920 is 2992365.

56329920 is a `hidden beast` number, since 563 + 2 + 9 + 92 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6900 + ... + 12659.

Almost surely, 2^56329920 is an apocalyptic number.

It is an amenable number.

56329920 is an abundant number, since it is smaller than the sum of its proper divisors (137431440).

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

56329920 is a wasteful number, since it uses less digits than its factorization.

56329920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19582 (or 19569 counting only the distinct ones).

The product of its (nonzero) digits is 29160, while the sum is 36.

The square root of 56329920 is about 7505.3261088376. The cubic root of 56329920 is about 383.3360923977.

The spelling of 56329920 in words is "fifty-six million, three hundred twenty-nine thousand, nine hundred twenty".