56933920 has 96 divisors (see below), whose sum is σ = 140652288. Its totient is φ = 21762048.

The previous prime is 56933911. The next prime is 56933939. The reversal of 56933920 is 2933965.

It is a self number, because there is not a number n which added to its sum of digits gives 56933920.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 503784 + ... + 503896.

It is an arithmetic number, because the mean of its divisors is an integer number (1465128).

Almost surely, 2^56933920 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 56933920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (70326144).

56933920 is an abundant number, since it is smaller than the sum of its proper divisors (83718368).

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

56933920 is a wasteful number, since it uses less digits than its factorization.

56933920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 242 (or 234 counting only the distinct ones).

The product of its (nonzero) digits is 43740, while the sum is 37.

The square root of 56933920 is about 7545.4569112811. The cubic root of 56933920 is about 384.7013369339.

The spelling of 56933920 in words is "fifty-six million, nine hundred thirty-three thousand, nine hundred twenty".