56393686 has 16 divisors (see below), whose sum is σ = 85929984. Its totient is φ = 27753064.

The previous prime is 56393671. The next prime is 56393717. The reversal of 56393686 is 68639365.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 63135 + ... + 64021.

It is an arithmetic number, because the mean of its divisors is an integer number (5370624).

Almost surely, 2^56393686 is an apocalyptic number.

56393686 is a deficient number, since it is larger than the sum of its proper divisors (29536298).

56393686 is a wasteful number, since it uses less digits than its factorization.

56393686 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1355.

The product of its digits is 699840, while the sum is 46.

The square root of 56393686 is about 7509.5729572327. The cubic root of 56393686 is about 383.4806845406.

It can be divided in two parts, 563 and 93686, that added together give a palindrome (94249).

The spelling of 56393686 in words is "fifty-six million, three hundred ninety-three thousand, six hundred eighty-six".