56536880256 has 160 divisors (see below), whose sum is σ = 170282574000. Its totient is φ = 18618287616.

The previous prime is 56536880249. The next prime is 56536880269. The reversal of 56536880256 is 65208863565.

56536880256 is a `hidden beast` number, since 5 + 6 + 536 + 8 + 80 + 25 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 827695 + ... + 893393.

Almost surely, 2^56536880256 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 56536880256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (85141287000).

56536880256 is an abundant number, since it is smaller than the sum of its proper divisors (113745693744).

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

56536880256 is an equidigital number, since it uses as much as digits as its factorization.

56536880256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65808 (or 65787 counting only the distinct ones).

The product of its (nonzero) digits is 10368000, while the sum is 54.

The spelling of 56536880256 in words is "fifty-six billion, five hundred thirty-six million, eight hundred eighty thousand, two hundred fifty-six".