56816567236 has 96 divisors (see below), whose sum is σ = 128306304000. Its totient is φ = 21602401920.

The previous prime is 56816567233. The next prime is 56816567237. The reversal of 56816567236 is 63276561865.

It is not an unprimeable number, because it can be changed into a prime (56816567233) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 136315 + ... + 363613.

It is an arithmetic number, because the mean of its divisors is an integer number (1336524000).

Almost surely, 2^56816567236 is an apocalyptic number.

It is an amenable number.

56816567236 is an abundant number, since it is smaller than the sum of its proper divisors (71489736764).

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

56816567236 is a wasteful number, since it uses less digits than its factorization.

56816567236 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 227369 (or 227367 counting only the distinct ones).

The product of its digits is 10886400, while the sum is 55.

It can be divided in two parts, 5681 and 6567236, that multiplied together give a square (37308467716 = 193154²).

The spelling of 56816567236 in words is "fifty-six billion, eight hundred sixteen million, five hundred sixty-seven thousand, two hundred thirty-six".