52856065 has 4 divisors (see below), whose sum is σ = 63427284. Its totient is φ = 42284848.

The previous prime is 52856057. The next prime is 52856071. The reversal of 52856065 is 56065825.

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 27625536 + 25230529 = 5256^2 + 5023^2 .

It is a cyclic number.

It is not a de Polignac number, because 52856065 - 2³ = 52856057 is a prime.

It is a Duffinian 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, 5285602 + ... + 5285611.

It is an arithmetic number, because the mean of its divisors is an integer number (15856821).

Almost surely, 2^52856065 is an apocalyptic number.

It is an amenable number.

52856065 is a deficient number, since it is larger than the sum of its proper divisors (10571219).

52856065 is a wasteful number, since it uses less digits than its factorization.

52856065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10571218.

The product of its (nonzero) digits is 72000, while the sum is 37.

The square root of 52856065 is about 7270.2176721196. The cubic root of 52856065 is about 375.2882287781.

The spelling of 52856065 in words is "fifty-two million, eight hundred fifty-six thousand, sixty-five".