56836685424 has 40 divisors (see below), whose sum is σ = 154555901440. Its totient is φ = 17948426688.

The previous prime is 56836685419. The next prime is 56836685447. The reversal of 56836685424 is 42458663865.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31159552 + ... + 31161375.

It is an arithmetic number, because the mean of its divisors is an integer number (3863897536).

Almost surely, 2^56836685424 is an apocalyptic number.

It is an amenable number.

56836685424 is an abundant number, since it is smaller than the sum of its proper divisors (97719216016).

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

56836685424 is a wasteful number, since it uses less digits than its factorization.

56836685424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62320957 (or 62320951 counting only the distinct ones).

The product of its digits is 33177600, while the sum is 57.

The spelling of 56836685424 in words is "fifty-six billion, eight hundred thirty-six million, six hundred eighty-five thousand, four hundred twenty-four".