52631586 has 48 divisors (see below), whose sum is σ = 136061280. Its totient is φ = 15036840.

The previous prime is 52631573. The next prime is 52631591. The reversal of 52631586 is 68513625.

It is a self number, because there is not a number n which added to its sum of digits gives 52631586.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7300 + ... + 12591.

It is an arithmetic number, because the mean of its divisors is an integer number (2834610).

Almost surely, 2^52631586 is an apocalyptic number.

52631586 is an abundant number, since it is smaller than the sum of its proper divisors (83429694).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

52631586 is a wasteful number, since it uses less digits than its factorization.

52631586 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19916 (or 19903 counting only the distinct ones).

The product of its digits is 43200, while the sum is 36.

The square root of 52631586 is about 7254.7629871692. The cubic root of 52631586 is about 374.7561935234.

The spelling of 52631586 in words is "fifty-two million, six hundred thirty-one thousand, five hundred eighty-six".