56837557452 has 72 divisors (see below), whose sum is σ = 144180751680. Its totient is φ = 17418648000.

The previous prime is 56837557411. The next prime is 56837557453. The reversal of 56837557452 is 25475573865.

56837557452 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 56837557392 and 56837557401.

It is not an unprimeable number, because it can be changed into a prime (56837557453) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 453199 + ... + 564857.

It is an arithmetic number, because the mean of its divisors is an integer number (2002510440).

Almost surely, 2^56837557452 is an apocalyptic number.

56837557452 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 56837557452, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (72090375840).

56837557452 is an abundant number, since it is smaller than the sum of its proper divisors (87343194228).

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

56837557452 is a wasteful number, since it uses less digits than its factorization.

56837557452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111943 (or 111928 counting only the distinct ones).

The product of its digits is 35280000, while the sum is 57.

The spelling of 56837557452 in words is "fifty-six billion, eight hundred thirty-seven million, five hundred fifty-seven thousand, four hundred fifty-two".