52599913 has 4 divisors (see below), whose sum is σ = 52627588. Its totient is φ = 52572240.

The previous prime is 52599907. The next prime is 52599947. The reversal of 52599913 is 31999525.

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 17707264 + 34892649 = 4208^2 + 5907^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-52599913 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 52599913.

It is not an unprimeable number, because it can be changed into a prime (52599973) 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, 10758 + ... + 14863.

It is an arithmetic number, because the mean of its divisors is an integer number (13156897).

Almost surely, 2^52599913 is an apocalyptic number.

It is an amenable number.

52599913 is a deficient number, since it is larger than the sum of its proper divisors (27675).

52599913 is a wasteful number, since it uses less digits than its factorization.

52599913 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27674.

The product of its digits is 109350, while the sum is 43.

The square root of 52599913 is about 7252.5797479242. The cubic root of 52599913 is about 374.6810039803.

The spelling of 52599913 in words is "fifty-two million, five hundred ninety-nine thousand, nine hundred thirteen".