56623332 has 24 divisors (see below), whose sum is σ = 137866176. Its totient is φ = 18053728.

The previous prime is 56623319. The next prime is 56623349. The reversal of 56623332 is 23332665.

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 56623332.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 102303 + ... + 102854.

It is an arithmetic number, because the mean of its divisors is an integer number (5744424).

Almost surely, 2^56623332 is an apocalyptic number.

It is an amenable number.

56623332 is an abundant number, since it is smaller than the sum of its proper divisors (81242844).

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

56623332 is a wasteful number, since it uses less digits than its factorization.

56623332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 205187 (or 205185 counting only the distinct ones).

The product of its digits is 19440, while the sum is 30.

The square root of 56623332 is about 7524.8476396536. The cubic root of 56623332 is about 384.0005154073. Note that the first 3 decimals are identical.

Adding to 56623332 its reverse (23332665), we get a palindrome (79955997).

The spelling of 56623332 in words is "fifty-six million, six hundred twenty-three thousand, three hundred thirty-two".