52939287 has 6 divisors (see below), whose sum is σ = 76467872. Its totient is φ = 35292852.

The previous prime is 52939283. The next prime is 52939291. The reversal of 52939287 is 78293925.

It is an interprime number because it is at equal distance from previous prime (52939283) and next prime (52939291).

It is not a de Polignac number, because 52939287 - 2² = 52939283 is a prime.

It is a Duffinian number.

It is a plaindrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52939283) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2941063 + ... + 2941080.

Almost surely, 2^52939287 is an apocalyptic number.

52939287 is a deficient number, since it is larger than the sum of its proper divisors (23528585).

52939287 is a wasteful number, since it uses less digits than its factorization.

52939287 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5882149 (or 5882146 counting only the distinct ones).

The product of its digits is 272160, while the sum is 45.

The square root of 52939287 is about 7275.9389084846. The cubic root of 52939287 is about 375.4850895644.

The spelling of 52939287 in words is "fifty-two million, nine hundred thirty-nine thousand, two hundred eighty-seven".