56359586172 has 48 divisors (see below), whose sum is σ = 131769453312. Its totient is φ = 18748894080.

The previous prime is 56359586137. The next prime is 56359586191. The reversal of 56359586172 is 27168595365.

It is a super-2 number, since 2×56359586172² (a number of 22 digits) contains 22 as substring.

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 15 ways as a sum of consecutive naturals, for example, 21403768 + ... + 21406400.

It is an arithmetic number, because the mean of its divisors is an integer number (2745196944).

Almost surely, 2^56359586172 is an apocalyptic number.

It is an amenable number.

56359586172 is an abundant number, since it is smaller than the sum of its proper divisors (75409867140).

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

56359586172 is a wasteful number, since it uses less digits than its factorization.

56359586172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5538 (or 5536 counting only the distinct ones).

The product of its digits is 13608000, while the sum is 57.

The spelling of 56359586172 in words is "fifty-six billion, three hundred fifty-nine million, five hundred eighty-six thousand, one hundred seventy-two".