56770831544 has 64 divisors (see below), whose sum is σ = 122086863360. Its totient is φ = 24243523200.

The previous prime is 56770831493. The next prime is 56770831547. The reversal of 56770831544 is 44513807765.

It is a junction number, because it is equal to n+sod(n) for n = 56770831492 and 56770831501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56770831547) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 22253069 + ... + 22255619.

It is an arithmetic number, because the mean of its divisors is an integer number (1907607240).

Almost surely, 2^56770831544 is an apocalyptic number.

It is an amenable number.

56770831544 is an abundant number, since it is smaller than the sum of its proper divisors (65316031816).

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

56770831544 is a wasteful number, since it uses less digits than its factorization.

56770831544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3828 (or 3824 counting only the distinct ones).

The product of its (nonzero) digits is 2822400, while the sum is 50.

The spelling of 56770831544 in words is "fifty-six billion, seven hundred seventy million, eight hundred thirty-one thousand, five hundred forty-four".