56502172532 has 24 divisors (see below), whose sum is σ = 106497561576. Its totient is φ = 26074816128.

The previous prime is 56502172513. The next prime is 56502172547. The reversal of 56502172532 is 23527120565.

It can be written as a sum of positive squares in 4 ways, for example, as 12391251856 + 44110920676 = 111316^2 + 210026^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 408398 + ... + 528954.

It is an arithmetic number, because the mean of its divisors is an integer number (4437398399).

Almost surely, 2^56502172532 is an apocalyptic number.

56502172532 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

56502172532 is a deficient number, since it is larger than the sum of its proper divisors (49995389044).

56502172532 is a wasteful number, since it uses less digits than its factorization.

56502172532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129587 (or 129585 counting only the distinct ones).

The product of its (nonzero) digits is 126000, while the sum is 38.

The spelling of 56502172532 in words is "fifty-six billion, five hundred two million, one hundred seventy-two thousand, five hundred thirty-two".