56920879840 has 192 divisors, whose sum is σ = 153848237760. Its totient is φ = 19709706240.

The previous prime is 56920879831. The next prime is 56920879859. The reversal of 56920879840 is 4897802965.

56920879840 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (58).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3718282 + ... + 3733558.

It is an arithmetic number, because the mean of its divisors is an integer number (801292905).

Almost surely, 2^56920879840 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 56920879840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (76924118880).

56920879840 is an abundant number, since it is smaller than the sum of its proper divisors (96927357920).

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

56920879840 is a wasteful number, since it uses less digits than its factorization.

56920879840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15405 (or 15397 counting only the distinct ones).

The product of its (nonzero) digits is 8709120, while the sum is 58.

The spelling of 56920879840 in words is "fifty-six billion, nine hundred twenty million, eight hundred seventy-nine thousand, eight hundred forty".