56315646 has 12 divisors (see below), whose sum is σ = 122017272. Its totient is φ = 18771876.

The previous prime is 56315621. The next prime is 56315647. The reversal of 56315646 is 64651365.

56315646 is a `hidden beast` number, since 5 + 6 + 3 + 1 + 5 + 646 = 666.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 56315646.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56315647) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1564306 + ... + 1564341.

It is an arithmetic number, because the mean of its divisors is an integer number (10168106).

Almost surely, 2^56315646 is an apocalyptic number.

56315646 is an abundant number, since it is smaller than the sum of its proper divisors (65701626).

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

56315646 is a wasteful number, since it uses less digits than its factorization.

56315646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3128655 (or 3128652 counting only the distinct ones).

The product of its digits is 64800, while the sum is 36.

The square root of 56315646 is about 7504.3751238861. The cubic root of 56315646 is about 383.3037105443.

The spelling of 56315646 in words is "fifty-six million, three hundred fifteen thousand, six hundred forty-six".