52239051 has 6 divisors (see below), whose sum is σ = 75456420. Its totient is φ = 34826028.

The previous prime is 52239017. The next prime is 52239067. The reversal of 52239051 is 15093225.

52239051 is a `hidden beast` number, since 522 + 3 + 90 + 51 = 666.

It is not a de Polignac number, because 52239051 - 2⁹ = 52238539 is a prime.

It is not an unprimeable number, because it can be changed into a prime (52239071) 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, 2902161 + ... + 2902178.

It is an arithmetic number, because the mean of its divisors is an integer number (12576070).

Almost surely, 2^52239051 is an apocalyptic number.

52239051 is a deficient number, since it is larger than the sum of its proper divisors (23217369).

52239051 is a wasteful number, since it uses less digits than its factorization.

52239051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5804345 (or 5804342 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 27.

The square root of 52239051 is about 7227.6587495537. The cubic root of 52239051 is about 373.8222033261.

The spelling of 52239051 in words is "fifty-two million, two hundred thirty-nine thousand, fifty-one".