52645165 has 16 divisors (see below), whose sum is σ = 64700208. Its totient is φ = 41107456.

The previous prime is 52645081. The next prime is 52645193. The reversal of 52645165 is 56154625.

52645165 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 617796 + 52027369 = 786^2 + 7213^2 .

It is a cyclic number.

It is not a de Polignac number, because 52645165 - 2¹¹ = 52643117 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 52645165.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 67719 + ... + 68491.

It is an arithmetic number, because the mean of its divisors is an integer number (4043763).

Almost surely, 2^52645165 is an apocalyptic number.

It is an amenable number.

52645165 is a deficient number, since it is larger than the sum of its proper divisors (12055043).

52645165 is a wasteful number, since it uses less digits than its factorization.

52645165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1088.

The product of its digits is 36000, while the sum is 34.

The square root of 52645165 is about 7255.6987947406. The cubic root of 52645165 is about 374.7884199053.

The spelling of 52645165 in words is "fifty-two million, six hundred forty-five thousand, one hundred sixty-five".