52395309 has 32 divisors (see below), whose sum is σ = 82730880. Its totient is φ = 32659200.

The previous prime is 52395283. The next prime is 52395313. The reversal of 52395309 is 90359325.

It is not a de Polignac number, because 52395309 - 2⁷ = 52395181 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52395349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 96579 + ... + 97119.

It is an arithmetic number, because the mean of its divisors is an integer number (2585340).

Almost surely, 2^52395309 is an apocalyptic number.

It is an amenable number.

52395309 is a deficient number, since it is larger than the sum of its proper divisors (30335571).

52395309 is a wasteful number, since it uses less digits than its factorization.

52395309 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 778 (or 772 counting only the distinct ones).

The product of its (nonzero) digits is 36450, while the sum is 36.

The square root of 52395309 is about 7238.4604025994. The cubic root of 52395309 is about 374.1945592792.

The spelling of 52395309 in words is "fifty-two million, three hundred ninety-five thousand, three hundred nine".