56251165 has 8 divisors (see below), whose sum is σ = 67541760. Its totient is φ = 44974032.

The previous prime is 56251159. The next prime is 56251171. The reversal of 56251165 is 56115265.

It is an interprime number because it is at equal distance from previous prime (56251159) and next prime (56251171).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 56251165 - 2³ = 56251157 is a prime.

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, 13792 + ... + 17398.

It is an arithmetic number, because the mean of its divisors is an integer number (8442720).

Almost surely, 2^56251165 is an apocalyptic number.

It is an amenable number.

56251165 is a deficient number, since it is larger than the sum of its proper divisors (11290595).

56251165 is a wasteful number, since it uses less digits than its factorization.

56251165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6731.

The product of its digits is 9000, while the sum is 31.

The square root of 56251165 is about 7500.0776662645. The cubic root of 56251165 is about 383.1573613651.

The spelling of 56251165 in words is "fifty-six million, two hundred fifty-one thousand, one hundred sixty-five".