52556165 has 4 divisors (see below), whose sum is σ = 63067404. Its totient is φ = 42044928.

The previous prime is 52556111. The next prime is 52556171. The reversal of 52556165 is 56165525.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 6980164 + 45576001 = 2642^2 + 6751^2 .

It is a cyclic number.

It is not a de Polignac number, because 52556165 - 2²² = 48361861 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 3 ways as a sum of consecutive naturals, for example, 5255612 + ... + 5255621.

It is an arithmetic number, because the mean of its divisors is an integer number (15766851).

Almost surely, 2^52556165 is an apocalyptic number.

It is an amenable number.

52556165 is a deficient number, since it is larger than the sum of its proper divisors (10511239).

52556165 is a wasteful number, since it uses less digits than its factorization.

52556165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10511238.

The product of its digits is 45000, while the sum is 35.

The square root of 52556165 is about 7249.5630902834. The cubic root of 52556165 is about 374.5770995561.

The spelling of 52556165 in words is "fifty-two million, five hundred fifty-six thousand, one hundred sixty-five".