56785874056 has 16 divisors (see below), whose sum is σ = 106479818640. Its totient is φ = 28391255760.

The previous prime is 56785874051. The next prime is 56785874069. The reversal of 56785874056 is 65047858765.

It is a super-2 number, since 2×56785874056² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 56785873985 and 56785874003.

It is not an unprimeable number, because it can be changed into a prime (56785874051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 60330 + ... + 342361.

It is an arithmetic number, because the mean of its divisors is an integer number (6654988665).

Almost surely, 2^56785874056 is an apocalyptic number.

It is an amenable number.

56785874056 is a deficient number, since it is larger than the sum of its proper divisors (49693944584).

56785874056 is a wasteful number, since it uses less digits than its factorization.

56785874056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 420324 (or 420320 counting only the distinct ones).

The product of its (nonzero) digits is 56448000, while the sum is 61.

The spelling of 56785874056 in words is "fifty-six billion, seven hundred eighty-five million, eight hundred seventy-four thousand, fifty-six".