52975215 has 48 divisors (see below), whose sum is σ = 96969600. Its totient is φ = 27736992.

The previous prime is 52975177. The next prime is 52975243. The reversal of 52975215 is 51257925.

It is not a de Polignac number, because 52975215 - 2¹⁰ = 52974191 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 52975215.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 71316 + ... + 72054.

It is an arithmetic number, because the mean of its divisors is an integer number (2020200).

Almost surely, 2^52975215 is an apocalyptic number.

52975215 is a deficient number, since it is larger than the sum of its proper divisors (43994385).

52975215 is an equidigital number, since it uses as much as digits as its factorization.

52975215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 818 (or 806 counting only the distinct ones).

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

The square root of 52975215 is about 7278.4074494356. The cubic root of 52975215 is about 375.5700131211.

The spelling of 52975215 in words is "fifty-two million, nine hundred seventy-five thousand, two hundred fifteen".