52639263 has 12 divisors (see below), whose sum is σ = 78656760. Its totient is φ = 33882576.

The previous prime is 52639247. The next prime is 52639277. The reversal of 52639263 is 36293625.

It is not a de Polignac number, because 52639263 - 2⁴ = 52639247 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52619263) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 100581 + ... + 101102.

It is an arithmetic number, because the mean of its divisors is an integer number (6554730).

Almost surely, 2^52639263 is an apocalyptic number.

52639263 is a deficient number, since it is larger than the sum of its proper divisors (26017497).

52639263 is a wasteful number, since it uses less digits than its factorization.

52639263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 201718 (or 201715 counting only the distinct ones).

The product of its digits is 58320, while the sum is 36.

The square root of 52639263 is about 7255.2920685524. The cubic root of 52639263 is about 374.7744136560.

The spelling of 52639263 in words is "fifty-two million, six hundred thirty-nine thousand, two hundred sixty-three".