52510809 has 16 divisors (see below), whose sum is σ = 76152384. Its totient is φ = 31992000.

The previous prime is 52510789. The next prime is 52510811. The reversal of 52510809 is 90801525.

It is not a de Polignac number, because 52510809 - 2⁸ = 52510553 is a prime.

It is not an unprimeable number, because it can be changed into a prime (52510849) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2727 + ... + 10604.

It is an arithmetic number, because the mean of its divisors is an integer number (4759524).

Almost surely, 2^52510809 is an apocalyptic number.

It is an amenable number.

52510809 is a deficient number, since it is larger than the sum of its proper divisors (23641575).

52510809 is a wasteful number, since it uses less digits than its factorization.

52510809 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13448.

The product of its (nonzero) digits is 3600, while the sum is 30.

The square root of 52510809 is about 7246.4342265696. The cubic root of 52510809 is about 374.4693151282.

The spelling of 52510809 in words is "fifty-two million, five hundred ten thousand, eight hundred nine".