52658809 has 16 divisors (see below), whose sum is σ = 65923200. Its totient is φ = 41013504.

The previous prime is 52658797. The next prime is 52658819. The reversal of 52658809 is 90885625.

It is not a de Polignac number, because 52658809 - 2¹⁷ = 52527737 is a prime.

It is not an unprimeable number, because it can be changed into a prime (52658819) 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, 4179 + ... + 11080.

It is an arithmetic number, because the mean of its divisors is an integer number (4120200).

Almost surely, 2^52658809 is an apocalyptic number.

It is an amenable number.

52658809 is a deficient number, since it is larger than the sum of its proper divisors (13264391).

52658809 is a wasteful number, since it uses less digits than its factorization.

52658809 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15312.

The product of its (nonzero) digits is 172800, while the sum is 43.

The square root of 52658809 is about 7256.6389602901. The cubic root of 52658809 is about 374.8207949677.

The spelling of 52658809 in words is "fifty-two million, six hundred fifty-eight thousand, eight hundred nine".