52809359 has 4 divisors (see below), whose sum is σ = 53805816. Its totient is φ = 51812904.

The previous prime is 52809343. The next prime is 52809373. The reversal of 52809359 is 95390825.

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 52809359 - 2⁴ = 52809343 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 (52809329) 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, 498149 + ... + 498254.

It is an arithmetic number, because the mean of its divisors is an integer number (13451454).

Almost surely, 2^52809359 is an apocalyptic number.

52809359 is a deficient number, since it is larger than the sum of its proper divisors (996457).

52809359 is an equidigital number, since it uses as much as digits as its factorization.

52809359 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 996456.

The product of its (nonzero) digits is 97200, while the sum is 41.

The square root of 52809359 is about 7267.0048162912. The cubic root of 52809359 is about 375.1776556745.

The spelling of 52809359 in words is "fifty-two million, eight hundred nine thousand, three hundred fifty-nine".