56017976 has 24 divisors (see below), whose sum is σ = 122182920. Its totient is φ = 24007536.

The previous prime is 56017943. The next prime is 56017991. The reversal of 56017976 is 67971065.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 71060 + ... + 71843.

It is an arithmetic number, because the mean of its divisors is an integer number (5090955).

Almost surely, 2^56017976 is an apocalyptic number.

56017976 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

56017976 is an abundant number, since it is smaller than the sum of its proper divisors (66164944).

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

56017976 is a wasteful number, since it uses less digits than its factorization.

56017976 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142923 (or 142912 counting only the distinct ones).

The product of its (nonzero) digits is 79380, while the sum is 41.

The square root of 56017976 is about 7484.5157491985. The cubic root of 56017976 is about 382.6271689023.

The spelling of 56017976 in words is "fifty-six million, seventeen thousand, nine hundred seventy-six".