56643796 has 48 divisors (see below), whose sum is σ = 117355392. Its totient is φ = 23628800.

The previous prime is 56643793. The next prime is 56643809. The reversal of 56643796 is 69734665.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56643793) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29745 + ... + 31591.

It is an arithmetic number, because the mean of its divisors is an integer number (2444904).

Almost surely, 2^56643796 is an apocalyptic number.

It is an amenable number.

56643796 is an abundant number, since it is smaller than the sum of its proper divisors (60711596).

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

56643796 is a wasteful number, since it uses less digits than its factorization.

56643796 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1920 (or 1918 counting only the distinct ones).

The product of its digits is 816480, while the sum is 46.

The square root of 56643796 is about 7526.2072785700. The cubic root of 56643796 is about 384.0467698387.

The spelling of 56643796 in words is "fifty-six million, six hundred forty-three thousand, seven hundred ninety-six".