52624865 has 4 divisors (see below), whose sum is σ = 63149844. Its totient is φ = 42099888.

The previous prime is 52624861. The next prime is 52624907. The reversal of 52624865 is 56842625.

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 27384289 + 25240576 = 5233^2 + 5024^2 .

It is a cyclic number.

It is not a de Polignac number, because 52624865 - 2² = 52624861 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52624861) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5262482 + ... + 5262491.

It is an arithmetic number, because the mean of its divisors is an integer number (15787461).

Almost surely, 2^52624865 is an apocalyptic number.

It is an amenable number.

52624865 is a deficient number, since it is larger than the sum of its proper divisors (10524979).

52624865 is a wasteful number, since it uses less digits than its factorization.

52624865 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10524978.

The product of its digits is 115200, while the sum is 38.

The square root of 52624865 is about 7254.2997594530. The cubic root of 52624865 is about 374.7402408494.

The spelling of 52624865 in words is "fifty-two million, six hundred twenty-four thousand, eight hundred sixty-five".