52239215 has 16 divisors (see below), whose sum is σ = 75857472. Its totient is φ = 33713664.

The previous prime is 52239211. The next prime is 52239217. The reversal of 52239215 is 51293225.

It is a cyclic number.

It is not a de Polignac number, because 52239215 - 2² = 52239211 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 (52239211) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43304 + ... + 44493.

It is an arithmetic number, because the mean of its divisors is an integer number (4741092).

Almost surely, 2^52239215 is an apocalyptic number.

52239215 is a deficient number, since it is larger than the sum of its proper divisors (23618257).

52239215 is a wasteful number, since it uses less digits than its factorization.

52239215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87826.

The product of its digits is 5400, while the sum is 29.

The square root of 52239215 is about 7227.6700948508. The cubic root of 52239215 is about 373.8225945199.

The spelling of 52239215 in words is "fifty-two million, two hundred thirty-nine thousand, two hundred fifteen".