52504909 has 4 divisors (see below), whose sum is σ = 52570620. Its totient is φ = 52439200.

The previous prime is 52504861. The next prime is 52504913. The reversal of 52504909 is 90940525.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 45630025 + 6874884 = 6755^2 + 2622^2 .

It is a cyclic number.

It is not a de Polignac number, because 52504909 - 2¹⁵ = 52472141 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 (52504939) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31642 + ... + 33259.

It is an arithmetic number, because the mean of its divisors is an integer number (13142655).

Almost surely, 2^52504909 is an apocalyptic number.

It is an amenable number.

52504909 is a deficient number, since it is larger than the sum of its proper divisors (65711).

52504909 is an equidigital number, since it uses as much as digits as its factorization.

52504909 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65710.

The product of its (nonzero) digits is 16200, while the sum is 34.

The square root of 52504909 is about 7246.0271183594. The cubic root of 52504909 is about 374.4552897510.

The spelling of 52504909 in words is "fifty-two million, five hundred four thousand, nine hundred nine".