56696328 has 128 divisors (see below), whose sum is σ = 172905600. Its totient is φ = 17107200.

The previous prime is 56696257. The next prime is 56696329. The reversal of 56696328 is 82369665.

It is a happy number.

56696328 is a `hidden beast` number, since 5 + 6 + 6 + 9 + 632 + 8 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56696329) 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, 171123 + ... + 171453.

It is an arithmetic number, because the mean of its divisors is an integer number (1350825).

Almost surely, 2^56696328 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 56696328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (86452800).

56696328 is an abundant number, since it is smaller than the sum of its proper divisors (116209272).

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

56696328 is a wasteful number, since it uses less digits than its factorization.

56696328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 420 (or 410 counting only the distinct ones).

The product of its digits is 466560, while the sum is 45.

The square root of 56696328 is about 7529.6964082226. The cubic root of 56696328 is about 384.1654560426.

The spelling of 56696328 in words is "fifty-six million, six hundred ninety-six thousand, three hundred twenty-eight".