56117736 has 24 divisors (see below), whose sum is σ = 151985730. Its totient is φ = 18705888.

The previous prime is 56117717. The next prime is 56117777. The reversal of 56117736 is 63771165.

56117736 is a `hidden beast` number, since 5 + 611 + 7 + 7 + 36 = 666.

It can be written as a sum of positive squares in only one way, i.e., 48860100 + 7257636 = 6990^2 + 2694^2 .

It is a tau number, because it is divible by the number of its divisors (24).

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 Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 56117736.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 389635 + ... + 389778.

Almost surely, 2^56117736 is an apocalyptic number.

It is an amenable number.

56117736 is an abundant number, since it is smaller than the sum of its proper divisors (95867994).

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

56117736 is a wasteful number, since it uses less digits than its factorization.

56117736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 779425 (or 779418 counting only the distinct ones).

The product of its digits is 26460, while the sum is 36.

The square root of 56117736 is about 7491.1772105591. The cubic root of 56117736 is about 382.8541689508.

The spelling of 56117736 in words is "fifty-six million, one hundred seventeen thousand, seven hundred thirty-six".