56928512 has 72 divisors (see below), whose sum is σ = 122443776. Its totient is φ = 26320896.

The previous prime is 56928511. The next prime is 56928559. The reversal of 56928512 is 21582965.

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (56928511) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 448193 + ... + 448319.

It is an arithmetic number, because the mean of its divisors is an integer number (1700608).

Almost surely, 2^56928512 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 56928512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (61221888).

56928512 is an abundant number, since it is smaller than the sum of its proper divisors (65515264).

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

56928512 is a wasteful number, since it uses less digits than its factorization.

56928512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 263 (or 249 counting only the distinct ones).

The product of its digits is 43200, while the sum is 38.

The square root of 56928512 is about 7545.0985414373. The cubic root of 56928512 is about 384.6891559663.

The spelling of 56928512 in words is "fifty-six million, nine hundred twenty-eight thousand, five hundred twelve".