56135988804 has 192 divisors, whose sum is σ = 153957888000. Its totient is φ = 15590817792.

The previous prime is 56135988751. The next prime is 56135988817. The reversal of 56135988804 is 40888953165.

56135988804 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 218427844 + ... + 218428100.

It is an arithmetic number, because the mean of its divisors is an integer number (801864000).

Almost surely, 2^56135988804 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 56135988804, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (76978944000).

56135988804 is an abundant number, since it is smaller than the sum of its proper divisors (97821899196).

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

56135988804 is a wasteful number, since it uses less digits than its factorization.

56135988804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 722 (or 720 counting only the distinct ones).

The product of its (nonzero) digits is 8294400, while the sum is 57.

The spelling of 56135988804 in words is "fifty-six billion, one hundred thirty-five million, nine hundred eighty-eight thousand, eight hundred four".