52642215 has 12 divisors (see below), whose sum is σ = 91246584. Its totient is φ = 28075824.

The previous prime is 52642199. The next prime is 52642223. The reversal of 52642215 is 51224625.

52642215 is a `hidden beast` number, since 5 + 2 + 642 + 2 + 15 = 666.

It is not a de Polignac number, because 52642215 - 2⁴ = 52642199 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 584869 + ... + 584958.

It is an arithmetic number, because the mean of its divisors is an integer number (7603882).

Almost surely, 2^52642215 is an apocalyptic number.

52642215 is a deficient number, since it is larger than the sum of its proper divisors (38604369).

52642215 is a wasteful number, since it uses less digits than its factorization.

52642215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1169838 (or 1169835 counting only the distinct ones).

The product of its digits is 4800, while the sum is 27.

The square root of 52642215 is about 7255.4955034098. The cubic root of 52642215 is about 374.7814192847.

The spelling of 52642215 in words is "fifty-two million, six hundred forty-two thousand, two hundred fifteen".