56139804000 has 1152 divisors, whose sum is σ = 243606085632. Its totient is φ = 12429158400.

The previous prime is 56139803999. The next prime is 56139804029. The reversal of 56139804000 is 40893165.

56139804000 is a `hidden beast` number, since 561 + 3 + 98 + 0 + 4 + 0 + 0 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 251747889 + ... + 251748111.

It is an arithmetic number, because the mean of its divisors is an integer number (211463616).

Almost surely, 2^56139804000 is an apocalyptic number.

56139804000 is a gapful number since it is divisible by the number (50) 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 56139804000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (121803042816).

56139804000 is an abundant number, since it is smaller than the sum of its proper divisors (187466281632).

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

56139804000 is a wasteful number, since it uses less digits than its factorization.

56139804000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 307 (or 277 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

The spelling of 56139804000 in words is "fifty-six billion, one hundred thirty-nine million, eight hundred four thousand".