56108379933 has 12 divisors (see below), whose sum is σ = 81285932988. Its totient is φ = 37294588800.

The previous prime is 56108379931. The next prime is 56108379949. The reversal of 56108379933 is 33997380165.

56108379933 is a `hidden beast` number, since 561 + 0 + 8 + 3 + 79 + 9 + 3 + 3 = 666.

56108379933 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 27493950969 + 28614428964 = 165813^2 + 169158^2 .

It is not a de Polignac number, because 56108379933 - 2¹ = 56108379931 is a prime.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 56108379933.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56108379931) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9246618 + ... + 9252683.

It is an arithmetic number, because the mean of its divisors is an integer number (6773827749).

Almost surely, 2^56108379933 is an apocalyptic number.

It is an amenable number.

56108379933 is a deficient number, since it is larger than the sum of its proper divisors (25177553055).

56108379933 is a wasteful number, since it uses less digits than its factorization.

56108379933 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18499644 (or 18499641 counting only the distinct ones).

The product of its (nonzero) digits is 3674160, while the sum is 54.

The spelling of 56108379933 in words is "fifty-six billion, one hundred eight million, three hundred seventy-nine thousand, nine hundred thirty-three".