56159868 has 24 divisors (see below), whose sum is σ = 131427072. Its totient is φ = 18664624.

The previous prime is 56159843. The next prime is 56159893. The reversal of 56159868 is 86895165.

It is an interprime number because it is at equal distance from previous prime (56159843) and next prime (56159893).

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, 2580 + ... + 10907.

It is an arithmetic number, because the mean of its divisors is an integer number (5476128).

Almost surely, 2^56159868 is an apocalyptic number.

It is an amenable number.

56159868 is an abundant number, since it is smaller than the sum of its proper divisors (75267204).

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

56159868 is a wasteful number, since it uses less digits than its factorization.

56159868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13841 (or 13839 counting only the distinct ones).

The product of its digits is 518400, while the sum is 48.

The square root of 56159868 is about 7493.9887910244. The cubic root of 56159868 is about 382.9499578991.

The spelling of 56159868 in words is "fifty-six million, one hundred fifty-nine thousand, eight hundred sixty-eight".