52639850 has 12 divisors (see below), whose sum is σ = 97910214. Its totient is φ = 21055920.

The previous prime is 52639831. The next prime is 52639877. The reversal of 52639850 is 5893625.

It can be written as a sum of positive squares in 3 ways, for example, as 51423241 + 1216609 = 7171^2 + 1103^2 .

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 526349 + ... + 526448.

Almost surely, 2^52639850 is an apocalyptic number.

52639850 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

52639850 is a deficient number, since it is larger than the sum of its proper divisors (45270364).

52639850 is a wasteful number, since it uses less digits than its factorization.

52639850 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1052809 (or 1052804 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 38.

The square root of 52639850 is about 7255.3325216698. The cubic root of 52639850 is about 374.7758067338.

The spelling of 52639850 in words is "fifty-two million, six hundred thirty-nine thousand, eight hundred fifty".