56909569024 has 264 divisors, whose sum is σ = 150678327168. Its totient is φ = 21203804160.

The previous prime is 56909568997. The next prime is 56909569037. The reversal of 56909569024 is 42096590965.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12692287 + ... + 12696769.

Almost surely, 2^56909569024 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 56909569024, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (75339163584).

56909569024 is an abundant number, since it is smaller than the sum of its proper divisors (93768758144).

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

56909569024 is a wasteful number, since it uses less digits than its factorization.

56909569024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4551 (or 4526 counting only the distinct ones).

The product of its (nonzero) digits is 5248800, while the sum is 55.

The spelling of 56909569024 in words is "fifty-six billion, nine hundred nine million, five hundred sixty-nine thousand, twenty-four".