52508286 has 24 divisors (see below), whose sum is σ = 119756520. Its totient is φ = 16581456.

The previous prime is 52508279. The next prime is 52508293. The reversal of 52508286 is 68280525.

It is an interprime number because it is at equal distance from previous prime (52508279) and next prime (52508293).

It is a self number, because there is not a number n which added to its sum of digits gives 52508286.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 76425 + ... + 77108.

It is an arithmetic number, because the mean of its divisors is an integer number (4989855).

Almost surely, 2^52508286 is an apocalyptic number.

52508286 is an abundant number, since it is smaller than the sum of its proper divisors (67248234).

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

52508286 is a wasteful number, since it uses less digits than its factorization.

52508286 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153560 (or 153557 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 36.

The square root of 52508286 is about 7246.2601388578. The cubic root of 52508286 is about 374.4633176252.

The spelling of 52508286 in words is "fifty-two million, five hundred eight thousand, two hundred eighty-six".