56621104 has 20 divisors (see below), whose sum is σ = 109836720. Its totient is φ = 28276160.

The previous prime is 56621099. The next prime is 56621111. The reversal of 56621104 is 40112665.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16149 + ... + 19339.

It is an arithmetic number, because the mean of its divisors is an integer number (5491836).

Almost surely, 2^56621104 is an apocalyptic number.

It is an amenable number.

56621104 is a deficient number, since it is larger than the sum of its proper divisors (53215616).

56621104 is a wasteful number, since it uses less digits than its factorization.

56621104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4308 (or 4302 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 56621104 is about 7524.6995953327. The cubic root of 56621104 is about 383.9954788241.

Adding to 56621104 its reverse (40112665), we get a palindrome (96733769).

The spelling of 56621104 in words is "fifty-six million, six hundred twenty-one thousand, one hundred four".