56015562828 has 48 divisors (see below), whose sum is σ = 135240547680. Its totient is φ = 18023921664.

The previous prime is 56015562787. The next prime is 56015562839. The reversal of 56015562828 is 82826551065.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors.

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, 1777626 + ... + 1808862.

It is an arithmetic number, because the mean of its divisors is an integer number (2817511410).

Almost surely, 2^56015562828 is an apocalyptic number.

56015562828 is a gapful number since it is divisible by the number (58) formed by its first and last digit.

It is an amenable number.

56015562828 is an abundant number, since it is smaller than the sum of its proper divisors (79224984852).

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

56015562828 is a wasteful number, since it uses less digits than its factorization.

56015562828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36426 (or 36424 counting only the distinct ones).

The product of its (nonzero) digits is 1152000, while the sum is 48.

The spelling of 56015562828 in words is "fifty-six billion, fifteen million, five hundred sixty-two thousand, eight hundred twenty-eight".