52639862 has 24 divisors (see below), whose sum is σ = 87528600. Its totient is φ = 23546880.

The previous prime is 52639831. The next prime is 52639877. The reversal of 52639862 is 26893625.

52639862 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (41) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 117014 + ... + 117462.

It is an arithmetic number, because the mean of its divisors is an integer number (3647025).

Almost surely, 2^52639862 is an apocalyptic number.

52639862 is a deficient number, since it is larger than the sum of its proper divisors (34888738).

52639862 is a wasteful number, since it uses less digits than its factorization.

52639862 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 608 (or 535 counting only the distinct ones).

The product of its digits is 155520, while the sum is 41.

The square root of 52639862 is about 7255.3333486477. Note that the first 4 decimals coincide. The cubic root of 52639862 is about 374.7758352123.

The spelling of 52639862 in words is "fifty-two million, six hundred thirty-nine thousand, eight hundred sixty-two".