56521942080 has 112 divisors (see below), whose sum is σ = 180202539264. Its totient is φ = 15009914880.

The previous prime is 56521942033. The next prime is 56521942093. The reversal of 56521942080 is 8024912565.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 109209 + ... + 353511.

Almost surely, 2^56521942080 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 56521942080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (90101269632).

56521942080 is an abundant number, since it is smaller than the sum of its proper divisors (123680597184).

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

56521942080 is a wasteful number, since it uses less digits than its factorization.

56521942080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 244564 (or 244554 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 42.

The spelling of 56521942080 in words is "fifty-six billion, five hundred twenty-one million, nine hundred forty-two thousand, eighty".