56604312 has 64 divisors (see below), whose sum is σ = 157977600. Its totient is φ = 18779040.

The previous prime is 56604293. The next prime is 56604319. The reversal of 56604312 is 21340665.

56604312 is a `hidden beast` number, since 56 + 604 + 3 + 1 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56604319) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 58053 + ... + 59019.

It is an arithmetic number, because the mean of its divisors is an integer number (2468400).

Almost surely, 2^56604312 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 56604312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (78988800).

56604312 is an abundant number, since it is smaller than the sum of its proper divisors (101373288).

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

56604312 is a wasteful number, since it uses less digits than its factorization.

56604312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1253 (or 1243 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 56604312 is about 7523.5837205417. The cubic root of 56604312 is about 383.9575148309.

Adding to 56604312 its reverse (21340665), we get a palindrome (77944977).

The spelling of 56604312 in words is "fifty-six million, six hundred four thousand, three hundred twelve".