56631606 has 32 divisors (see below), whose sum is σ = 120960000. Its totient is φ = 17636640.

The previous prime is 56631599. The next prime is 56631611. The reversal of 56631606 is 60613665.

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, 145 + ... + 10643.

It is an arithmetic number, because the mean of its divisors is an integer number (3780000).

Almost surely, 2^56631606 is an apocalyptic number.

56631606 is an abundant number, since it is smaller than the sum of its proper divisors (64328394).

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

56631606 is a wasteful number, since it uses less digits than its factorization.

56631606 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10564.

The product of its (nonzero) digits is 19440, while the sum is 33.

The square root of 56631606 is about 7525.3973981445. The cubic root of 56631606 is about 384.0192183307.

The spelling of 56631606 in words is "fifty-six million, six hundred thirty-one thousand, six hundred six".