56000165 has 8 divisors (see below), whose sum is σ = 72369528. Its totient is φ = 41353920.

The previous prime is 56000149. The next prime is 56000179. The reversal of 56000165 is 56100065.

It can be written as a sum of positive squares in 4 ways, for example, as 3452164 + 52548001 = 1858^2 + 7249^2 .

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

It is not a de Polignac number, because 56000165 - 2⁴ = 56000149 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 56000165.

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, 430706 + ... + 430835.

It is an arithmetic number, because the mean of its divisors is an integer number (9046191).

Almost surely, 2^56000165 is an apocalyptic number.

It is an amenable number.

56000165 is a deficient number, since it is larger than the sum of its proper divisors (16369363).

56000165 is a wasteful number, since it uses less digits than its factorization.

56000165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 861559.

The product of its (nonzero) digits is 900, while the sum is 23.

The square root of 56000165 is about 7483.3257980660. The cubic root of 56000165 is about 382.5866123084.

It can be divided in two parts, 56000 and 165, that added together give a palindrome (56165).

The spelling of 56000165 in words is "fifty-six million, one hundred sixty-five", and thus it is an aban number.