56089165 has 16 divisors (see below), whose sum is σ = 74146176. Its totient is φ = 40392000.

The previous prime is 56089153. The next prime is 56089177. The reversal of 56089165 is 56198065.

It is an interprime number because it is at equal distance from previous prime (56089153) and next prime (56089177).

It is not a de Polignac number, because 56089165 - 2¹⁹ = 55564877 is a prime.

It is a Duffinian number.

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, 715 + ... + 10615.

It is an arithmetic number, because the mean of its divisors is an integer number (4634136).

Almost surely, 2^56089165 is an apocalyptic number.

56089165 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

56089165 is a deficient number, since it is larger than the sum of its proper divisors (18057011).

56089165 is a wasteful number, since it uses less digits than its factorization.

56089165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10020.

The product of its (nonzero) digits is 64800, while the sum is 40.

The square root of 56089165 is about 7489.2699911273. The cubic root of 56089165 is about 382.7891842470.

Subtracting 56089165 from its reverse (56198065), we obtain a square (108900 = 330²).

The spelling of 56089165 in words is "fifty-six million, eighty-nine thousand, one hundred sixty-five".