56117268 has 18 divisors (see below), whose sum is σ = 141852074. Its totient is φ = 18705744.

The previous prime is 56117261. The next prime is 56117273. The reversal of 56117268 is 86271165.

It can be written as a sum of positive squares in only one way, i.e., 29615364 + 26501904 = 5442^2 + 5148^2 .

It is a tau number, because it is divible by the number of its divisors (18).

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), and also a Moran number because the ratio is a prime number: 1558813 = 56117268 / (5 + 6 + 1 + 1 + 7 + 2 + 6 + 8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56117261) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 779371 + ... + 779442.

Almost surely, 2^56117268 is an apocalyptic number.

It is an amenable number.

56117268 is an abundant number, since it is smaller than the sum of its proper divisors (85734806).

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

56117268 is a wasteful number, since it uses less digits than its factorization.

56117268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1558823 (or 1558818 counting only the distinct ones).

The product of its digits is 20160, while the sum is 36.

The square root of 56117268 is about 7491.1459737479. The cubic root of 56117268 is about 382.8531046631.

The spelling of 56117268 in words is "fifty-six million, one hundred seventeen thousand, two hundred sixty-eight".