56117165 has 16 divisors (see below), whose sum is σ = 76339200. Its totient is φ = 39258432.

The previous prime is 56117147. The next prime is 56117183. The reversal of 56117165 is 56171165.

It is an interprime number because it is at equal distance from previous prime (56117147) and next prime (56117183).

It is a cyclic number.

It is not a de Polignac number, because 56117165 - 2⁶ = 56117101 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21485 + ... + 23954.

It is an arithmetic number, because the mean of its divisors is an integer number (4771200).

Almost surely, 2^56117165 is an apocalyptic number.

It is an amenable number.

56117165 is a deficient number, since it is larger than the sum of its proper divisors (20222035).

56117165 is a wasteful number, since it uses less digits than its factorization.

56117165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45476.

The product of its digits is 6300, while the sum is 32.

The square root of 56117165 is about 7491.1390989622. The cubic root of 56117165 is about 382.8528704280.

The spelling of 56117165 in words is "fifty-six million, one hundred seventeen thousand, one hundred sixty-five".