56927865064 has 128 divisors (see below), whose sum is σ = 133205114880. Its totient is φ = 22273574400.

The previous prime is 56927865061. The next prime is 56927865097. The reversal of 56927865064 is 46056872965.

It is not an unprimeable number, because it can be changed into a prime (56927865061) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2904979 + ... + 2924509.

It is an arithmetic number, because the mean of its divisors is an integer number (1040664960).

Almost surely, 2^56927865064 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 56927865064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (66602557440).

56927865064 is an abundant number, since it is smaller than the sum of its proper divisors (76277249816).

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

56927865064 is a wasteful number, since it uses less digits than its factorization.

56927865064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19671 (or 19667 counting only the distinct ones).

The product of its (nonzero) digits is 21772800, while the sum is 58.

The spelling of 56927865064 in words is "fifty-six billion, nine hundred twenty-seven million, eight hundred sixty-five thousand, sixty-four".