52631286 has 16 divisors (see below), whose sum is σ = 111454704. Its totient is φ = 16511744.

The previous prime is 52631261. The next prime is 52631339. The reversal of 52631286 is 68213625.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 257895 + ... + 258098.

It is an arithmetic number, because the mean of its divisors is an integer number (6965919).

Almost surely, 2^52631286 is an apocalyptic number.

52631286 is an abundant number, since it is smaller than the sum of its proper divisors (58823418).

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

52631286 is a wasteful number, since it uses less digits than its factorization.

52631286 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 516015.

The product of its digits is 17280, while the sum is 33.

The square root of 52631286 is about 7254.7423110680. The cubic root of 52631286 is about 374.7554814854.

The spelling of 52631286 in words is "fifty-two million, six hundred thirty-one thousand, two hundred eighty-six".