56909952 has 160 divisors (see below), whose sum is σ = 185130000. Its totient is φ = 17210880.

The previous prime is 56909947. The next prime is 56909953. The reversal of 56909952 is 25990965.

It is a junction number, because it is equal to n+sod(n) for n = 56909898 and 56909907.

It is not an unprimeable number, because it can be changed into a prime (56909953) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 113799 + ... + 114297.

Almost surely, 2^56909952 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 56909952, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (92565000).

56909952 is an abundant number, since it is smaller than the sum of its proper divisors (128220048).

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

56909952 is a wasteful number, since it uses less digits than its factorization.

56909952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 536 (or 515 counting only the distinct ones).

The product of its (nonzero) digits is 218700, while the sum is 45.

The square root of 56909952 is about 7543.8685036260. The cubic root of 56909952 is about 384.6473455943.

The spelling of 56909952 in words is "fifty-six million, nine hundred nine thousand, nine hundred fifty-two".