56879960 has 64 divisors (see below), whose sum is σ = 136468800. Its totient is φ = 21262336.

The previous prime is 56879959. The next prime is 56880029. The reversal of 56879960 is 6997865.

It is a junction number, because it is equal to n+sod(n) for n = 56879899 and 56879908.

It is a congruent number.

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, 158261 + ... + 158619.

It is an arithmetic number, because the mean of its divisors is an integer number (2132325).

Almost surely, 2^56879960 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 56879960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (68234400).

56879960 is an abundant number, since it is smaller than the sum of its proper divisors (79588840).

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

56879960 is a wasteful number, since it uses less digits than its factorization.

56879960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 620 (or 616 counting only the distinct ones).

The product of its (nonzero) digits is 816480, while the sum is 50.

The square root of 56879960 is about 7541.8804021278. The cubic root of 56879960 is about 384.5797629779.

The spelling of 56879960 in words is "fifty-six million, eight hundred seventy-nine thousand, nine hundred sixty".