56646318 has 32 divisors (see below), whose sum is σ = 115752960. Its totient is φ = 18476640.

The previous prime is 56646301. The next prime is 56646323. The reversal of 56646318 is 81364665.

56646318 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

Its product of digits (103680) is a multiple of the sum of its prime divisors (1152).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 59728 + ... + 60668.

It is an arithmetic number, because the mean of its divisors is an integer number (3617280).

Almost surely, 2^56646318 is an apocalyptic number.

56646318 is an abundant number, since it is smaller than the sum of its proper divisors (59106642).

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

56646318 is a wasteful number, since it uses less digits than its factorization.

56646318 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1152.

The product of its digits is 103680, while the sum is 39.

The square root of 56646318 is about 7526.3748245752. The cubic root of 56646318 is about 384.0524695013.

The spelling of 56646318 in words is "fifty-six million, six hundred forty-six thousand, three hundred eighteen".