56656116 has 72 divisors (see below), whose sum is σ = 157326624. Its totient is φ = 17048640.

The previous prime is 56656079. The next prime is 56656123. The reversal of 56656116 is 61165665.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 68095 + ... + 68921.

It is an arithmetic number, because the mean of its divisors is an integer number (2185092).

Almost surely, 2^56656116 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 56656116, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (78663312).

56656116 is an abundant number, since it is smaller than the sum of its proper divisors (100670508).

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

56656116 is a wasteful number, since it uses less digits than its factorization.

56656116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1021 (or 1016 counting only the distinct ones).

The product of its digits is 32400, while the sum is 36.

The square root of 56656116 is about 7527.0257074093. The cubic root of 56656116 is about 384.0746111532.

It can be divided in two parts, 5665 and 6116, that added together give a triangular number (11781 = T₁₅₃).

The spelling of 56656116 in words is "fifty-six million, six hundred fifty-six thousand, one hundred sixteen".