56393688 has 32 divisors (see below), whose sum is σ = 151830000. Its totient is φ = 17351808.

The previous prime is 56393671. The next prime is 56393717. The reversal of 56393688 is 88639365.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 90063 + ... + 90686.

Almost surely, 2^56393688 is an apocalyptic number.

It is an amenable number.

56393688 is an abundant number, since it is smaller than the sum of its proper divisors (95436312).

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

56393688 is a wasteful number, since it uses less digits than its factorization.

56393688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180771 (or 180767 counting only the distinct ones).

The product of its digits is 933120, while the sum is 48.

The square root of 56393688 is about 7509.5730903960. The cubic root of 56393688 is about 383.4806890740.

The spelling of 56393688 in words is "fifty-six million, three hundred ninety-three thousand, six hundred eighty-eight".