56918574720 has 1024 divisors, whose sum is σ = 246758400000. Its totient is φ = 12116459520.

The previous prime is 56918574649. The next prime is 56918574733. The reversal of 56918574720 is 2747581965.

56918574720 is a `hidden beast` number, since 5 + 6 + 91 + 85 + 7 + 472 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 114065031 + ... + 114065529.

It is an arithmetic number, because the mean of its divisors is an integer number (240975000).

Almost surely, 2^56918574720 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 56918574720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (123379200000).

56918574720 is an abundant number, since it is smaller than the sum of its proper divisors (189839825280).

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

56918574720 is a wasteful number, since it uses less digits than its factorization.

56918574720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 598 (or 580 counting only the distinct ones).

The product of its (nonzero) digits is 4233600, while the sum is 54.

The spelling of 56918574720 in words is "fifty-six billion, nine hundred eighteen million, five hundred seventy-four thousand, seven hundred twenty".