52315999 has 4 divisors (see below), whose sum is σ = 52728064. Its totient is φ = 51903936.

The previous prime is 52315981. The next prime is 52316051. The reversal of 52315999 is 99951325.

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

It is a cyclic number.

It is not a de Polignac number, because 52315999 - 2¹¹ = 52313951 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52315909) 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, 205842 + ... + 206095.

It is an arithmetic number, because the mean of its divisors is an integer number (13182016).

Almost surely, 2^52315999 is an apocalyptic number.

52315999 is a deficient number, since it is larger than the sum of its proper divisors (412065).

52315999 is a wasteful number, since it uses less digits than its factorization.

52315999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 412064.

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

The square root of 52315999 is about 7232.9799529654. The cubic root of 52315999 is about 374.0056596892.

The spelling of 52315999 in words is "fifty-two million, three hundred fifteen thousand, nine hundred ninety-nine".