56908978 has 16 divisors (see below), whose sum is σ = 98273664. Its totient is φ = 24210720.

The previous prime is 56908949. The next prime is 56909011. The reversal of 56908978 is 87980965.

56908978 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12918 + ... + 16753.

It is an arithmetic number, because the mean of its divisors is an integer number (6142104).

Almost surely, 2^56908978 is an apocalyptic number.

56908978 is a deficient number, since it is larger than the sum of its proper divisors (41364686).

56908978 is a wasteful number, since it uses less digits than its factorization.

56908978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29817.

The product of its (nonzero) digits is 1088640, while the sum is 52.

The square root of 56908978 is about 7543.8039476116. The cubic root of 56908978 is about 384.6451511998.

The spelling of 56908978 in words is "fifty-six million, nine hundred eight thousand, nine hundred seventy-eight".