52515279 has 24 divisors (see below), whose sum is σ = 79926912. Its totient is φ = 33161040.

The previous prime is 52515277. The next prime is 52515283. The reversal of 52515279 is 97251525.

52515279 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 52515279 - 2¹ = 52515277 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52515277) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 20964 + ... + 23334.

It is an arithmetic number, because the mean of its divisors is an integer number (3330288).

Almost surely, 2^52515279 is an apocalyptic number.

52515279 is a deficient number, since it is larger than the sum of its proper divisors (27411633).

52515279 is a wasteful number, since it uses less digits than its factorization.

52515279 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2507 (or 2504 counting only the distinct ones).

The product of its digits is 31500, while the sum is 36.

The square root of 52515279 is about 7246.7426475624. The cubic root of 52515279 is about 374.4799404349.

The spelling of 52515279 in words is "fifty-two million, five hundred fifteen thousand, two hundred seventy-nine".