56299880 has 64 divisors (see below), whose sum is σ = 155917440. Its totient is φ = 17816832.

The previous prime is 56299871. The next prime is 56299891. The reversal of 56299880 is 8899265.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4094 + ... + 11373.

It is an arithmetic number, because the mean of its divisors is an integer number (2436210).

Almost surely, 2^56299880 is an apocalyptic number.

It is an amenable number.

56299880 is an abundant number, since it is smaller than the sum of its proper divisors (99617560).

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

56299880 is a wasteful number, since it uses less digits than its factorization.

56299880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15498 (or 15494 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 47.

The square root of 56299880 is about 7503.3245964706. The cubic root of 56299880 is about 383.2679375945.

The spelling of 56299880 in words is "fifty-six million, two hundred ninety-nine thousand, eight hundred eighty".