56155165 has 64 divisors (see below), whose sum is σ = 85536000. Its totient is φ = 34836480.

The previous prime is 56155153. The next prime is 56155171.

56155165 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 56155165 - 2¹¹ = 56153117 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 56155165.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 515131 + ... + 515239.

It is an arithmetic number, because the mean of its divisors is an integer number (1336500).

Almost surely, 2^56155165 is an apocalyptic number.

56155165 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

56155165 is a deficient number, since it is larger than the sum of its proper divisors (29380835).

56155165 is a wasteful number, since it uses less digits than its factorization.

56155165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 190.

The product of its digits is 22500, while the sum is 34.

The square root of 56155165 is about 7493.6749996247. The cubic root of 56155165 is about 382.9392677984.

The spelling of 56155165 in words is "fifty-six million, one hundred fifty-five thousand, one hundred sixty-five".