56847059976 has 128 divisors (see below), whose sum is σ = 165225139200. Its totient is φ = 15961985280.

The previous prime is 56847059959. The next prime is 56847059981. The reversal of 56847059976 is 67995074865.

It is a super-2 number, since 2×56847059976² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 20279391 + ... + 20282193.

It is an arithmetic number, because the mean of its divisors is an integer number (1290821400).

Almost surely, 2^56847059976 is an apocalyptic number.

56847059976 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 56847059976, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (82612569600).

56847059976 is an abundant number, since it is smaller than the sum of its proper divisors (108378079224).

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

56847059976 is a wasteful number, since it uses less digits than its factorization.

56847059976 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4859 (or 4855 counting only the distinct ones).

The product of its (nonzero) digits is 114307200, while the sum is 66.

The spelling of 56847059976 in words is "fifty-six billion, eight hundred forty-seven million, fifty-nine thousand, nine hundred seventy-six".