56801252564 has 36 divisors (see below), whose sum is σ = 118451409300. Its totient is φ = 23749649280.

The previous prime is 56801252537. The next prime is 56801252597. The reversal of 56801252564 is 46525210865.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 9237132100 + 47564120464 = 96110^2 + 218092^2 .

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 3526139 + ... + 3542210.

It is an arithmetic number, because the mean of its divisors is an integer number (3290316925).

Almost surely, 2^56801252564 is an apocalyptic number.

It is an amenable number.

56801252564 is an abundant number, since it is smaller than the sum of its proper divisors (61650156736).

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

56801252564 is a wasteful number, since it uses less digits than its factorization.

56801252564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7068408 (or 7068399 counting only the distinct ones).

The product of its (nonzero) digits is 576000, while the sum is 44.

The spelling of 56801252564 in words is "fifty-six billion, eight hundred one million, two hundred fifty-two thousand, five hundred sixty-four".