56817549124 has 144 divisors (see below), whose sum is σ = 122811945984. Its totient is φ = 22523558400.

The previous prime is 56817549079. The next prime is 56817549133. The reversal of 56817549124 is 42194571865.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 182692929 + ... + 182693239.

It is an arithmetic number, because the mean of its divisors is an integer number (852860736).

Almost surely, 2^56817549124 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 56817549124, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (61405972992).

56817549124 is an abundant number, since it is smaller than the sum of its proper divisors (65994396860).

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

56817549124 is a wasteful number, since it uses less digits than its factorization.

56817549124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 674 (or 655 counting only the distinct ones).

The product of its digits is 2419200, while the sum is 52.

The spelling of 56817549124 in words is "fifty-six billion, eight hundred seventeen million, five hundred forty-nine thousand, one hundred twenty-four".