56878810 has 16 divisors (see below), whose sum is σ = 103825152. Its totient is φ = 22430800.

The previous prime is 56878807. The next prime is 56878817. The reversal of 56878810 is 1887865.

It is a super-2 number, since 2×56878810² = 6470398054032200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (56878817) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39346 + ... + 40765.

It is an arithmetic number, because the mean of its divisors is an integer number (6489072).

Almost surely, 2^56878810 is an apocalyptic number.

56878810 is a deficient number, since it is larger than the sum of its proper divisors (46946342).

56878810 is a wasteful number, since it uses less digits than its factorization.

56878810 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80189.

The product of its (nonzero) digits is 107520, while the sum is 43.

The square root of 56878810 is about 7541.8041608093. The cubic root of 56878810 is about 384.5771711470.

The spelling of 56878810 in words is "fifty-six million, eight hundred seventy-eight thousand, eight hundred ten".