52308913 has 4 divisors (see below), whose sum is σ = 52337908. Its totient is φ = 52279920.

The previous prime is 52308911. The next prime is 52308917. The reversal of 52308913 is 31980325.

It is a happy number.

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 19784704 + 32524209 = 4448^2 + 5703^2 .

It is a cyclic number.

It is not a de Polignac number, because 52308913 - 2¹ = 52308911 is a prime.

It is not an unprimeable number, because it can be changed into a prime (52308911) 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, 11598 + ... + 15463.

It is an arithmetic number, because the mean of its divisors is an integer number (13084477).

Almost surely, 2^52308913 is an apocalyptic number.

It is an amenable number.

52308913 is a deficient number, since it is larger than the sum of its proper divisors (28995).

52308913 is a wasteful number, since it uses less digits than its factorization.

52308913 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28994.

The product of its (nonzero) digits is 6480, while the sum is 31.

The square root of 52308913 is about 7232.4900967786. The cubic root of 52308913 is about 373.9887730528.

The spelling of 52308913 in words is "fifty-two million, three hundred eight thousand, nine hundred thirteen".