52358809 has 2 divisors, whose sum is σ = 52358810. Its totient is φ = 52358808.

The previous prime is 52358791. The next prime is 52358819. The reversal of 52358809 is 90885325.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 38875225 + 13483584 = 6235^2 + 3672^2 .

It is a cyclic number.

It is not a de Polignac number, because 52358809 - 2⁹ = 52358297 is a prime.

It is not a weakly prime, because it can be changed into another prime (52358819) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26179404 + 26179405.

It is an arithmetic number, because the mean of its divisors is an integer number (26179405).

Almost surely, 2^52358809 is an apocalyptic number.

It is an amenable number.

52358809 is a deficient number, since it is larger than the sum of its proper divisors (1).

52358809 is an equidigital number, since it uses as much as digits as its factorization.

52358809 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 86400, while the sum is 40.

The square root of 52358809 is about 7235.9387089720. The cubic root of 52358809 is about 374.1076477189.

The spelling of 52358809 in words is "fifty-two million, three hundred fifty-eight thousand, eight hundred nine".