56617612 has 12 divisors (see below), whose sum is σ = 99214416. Its totient is φ = 28270640.

The previous prime is 56617573. The next prime is 56617637. The reversal of 56617612 is 21671665.

It is a happy number.

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, 6064 + ... + 12247.

It is an arithmetic number, because the mean of its divisors is an integer number (8267868).

Almost surely, 2^56617612 is an apocalyptic number.

It is an amenable number.

56617612 is a deficient number, since it is larger than the sum of its proper divisors (42596804).

56617612 is a wasteful number, since it uses less digits than its factorization.

56617612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19088 (or 19086 counting only the distinct ones).

The product of its digits is 15120, while the sum is 34.

The square root of 56617612 is about 7524.4675559138. The cubic root of 56617612 is about 383.9875845957.

The spelling of 56617612 in words is "fifty-six million, six hundred seventeen thousand, six hundred twelve".