52672239 has 12 divisors (see below), whose sum is σ = 80557776. Its totient is φ = 33049152.

The previous prime is 52672187. The next prime is 52672303. The reversal of 52672239 is 93227625.

It is not a de Polignac number, because 52672239 - 2⁷ = 52672111 is a prime.

It is a super-2 number, since 2×52672239² = 5548729522546242, which contains 22 as substring.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52672339) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 171979 + ... + 172284.

It is an arithmetic number, because the mean of its divisors is an integer number (6713148).

Almost surely, 2^52672239 is an apocalyptic number.

52672239 is a deficient number, since it is larger than the sum of its proper divisors (27885537).

52672239 is a wasteful number, since it uses less digits than its factorization.

52672239 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 344286 (or 344283 counting only the distinct ones).

The product of its digits is 45360, while the sum is 36.

The square root of 52672239 is about 7257.5642608247. The cubic root of 52672239 is about 374.8526567809.

The spelling of 52672239 in words is "fifty-two million, six hundred seventy-two thousand, two hundred thirty-nine".