56001165 has 32 divisors (see below), whose sum is σ = 100400256. Its totient is φ = 26415360.

The previous prime is 56001163. The next prime is 56001181. The reversal of 56001165 is 56110065.

It is not a de Polignac number, because 56001165 - 2¹ = 56001163 is a prime.

It is a super-2 number, since 2×56001165² = 6272260962714450, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56001163) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1519 + ... + 10691.

It is an arithmetic number, because the mean of its divisors is an integer number (3137508).

Almost surely, 2^56001165 is an apocalyptic number.

56001165 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

56001165 is a deficient number, since it is larger than the sum of its proper divisors (44399091).

56001165 is a wasteful number, since it uses less digits than its factorization.

56001165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9229.

The product of its (nonzero) digits is 900, while the sum is 24.

The square root of 56001165 is about 7483.3926129798. The cubic root of 56001165 is about 382.5888895894.

Subtracting 56001165 from its reverse (56110065), we obtain a square (108900 = 330²).

The spelling of 56001165 in words is "fifty-six million, one thousand, one hundred sixty-five".