52512815 has 8 divisors (see below), whose sum is σ = 63439200. Its totient is φ = 41727712.

The previous prime is 52512809. The next prime is 52512833. The reversal of 52512815 is 51821525.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 52512815 - 2¹⁶ = 52447279 is a prime.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 34499 + ... + 35988.

It is an arithmetic number, because the mean of its divisors is an integer number (7929900).

Almost surely, 2^52512815 is an apocalyptic number.

52512815 is a deficient number, since it is larger than the sum of its proper divisors (10926385).

52512815 is a wasteful number, since it uses less digits than its factorization.

52512815 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70641.

The product of its digits is 4000, while the sum is 29.

The square root of 52512815 is about 7246.5726381511. The cubic root of 52512815 is about 374.4740835171.

The spelling of 52512815 in words is "fifty-two million, five hundred twelve thousand, eight hundred fifteen".