56437656 has 64 divisors (see below), whose sum is σ = 154638720. Its totient is φ = 17022720.

The previous prime is 56437643. The next prime is 56437663. The reversal of 56437656 is 65673465.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 82291 + ... + 82973.

It is an arithmetic number, because the mean of its divisors is an integer number (2416230).

Almost surely, 2^56437656 is an apocalyptic number.

It is a pronic number, being equal to 7512×7513.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 56437656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (77319360).

56437656 is an abundant number, since it is smaller than the sum of its proper divisors (98201064).

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

56437656 is a wasteful number, since it uses less digits than its factorization.

56437656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1016 (or 1012 counting only the distinct ones).

The product of its digits is 453600, while the sum is 42.

The square root of 56437656 is about 7512.4999833611. The cubic root of 56437656 is about 383.5803249227.

The spelling of 56437656 in words is "fifty-six million, four hundred thirty-seven thousand, six hundred fifty-six".