56798891576 has 16 divisors (see below), whose sum is σ = 121711910640. Its totient is φ = 24342382080.

The previous prime is 56798891561. The next prime is 56798891581. The reversal of 56798891576 is 67519889765.

It is a super-2 number, since 2×56798891576² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 507132905 + ... + 507133016.

It is an arithmetic number, because the mean of its divisors is an integer number (7606994415).

Almost surely, 2^56798891576 is an apocalyptic number.

56798891576 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

56798891576 is an abundant number, since it is smaller than the sum of its proper divisors (64913019064).

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

56798891576 is a wasteful number, since it uses less digits than its factorization.

56798891576 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1014265934 (or 1014265930 counting only the distinct ones).

The product of its digits is 228614400, while the sum is 71.

The spelling of 56798891576 in words is "fifty-six billion, seven hundred ninety-eight million, eight hundred ninety-one thousand, five hundred seventy-six".