56820086608 has 10 divisors (see below), whose sum is σ = 110088917834. Its totient is φ = 28410043296.

The previous prime is 56820086563. The next prime is 56820086641. The reversal of 56820086608 is 80668002865.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 39224594704 + 17595491904 = 198052^2 + 132648^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1775627691 + ... + 1775627722.

Almost surely, 2^56820086608 is an apocalyptic number.

It is an amenable number.

56820086608 is a deficient number, since it is larger than the sum of its proper divisors (53268831226).

56820086608 is a wasteful number, since it uses less digits than its factorization.

56820086608 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3551255421 (or 3551255415 counting only the distinct ones).

The product of its (nonzero) digits is 1105920, while the sum is 49.

The spelling of 56820086608 in words is "fifty-six billion, eight hundred twenty million, eighty-six thousand, six hundred eight".