52726288 has 20 divisors (see below), whose sum is σ = 105453568. Its totient is φ = 25512480.

The previous prime is 52726241. The next prime is 52726291. The reversal of 52726288 is 88262725.

52726288 is an admirable number.

It is a super-2 number, since 2×52726288² = 5560122892517888, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 52726288.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52656 + ... + 53647.

Almost surely, 2^52726288 is an apocalyptic number.

It is an amenable number.

52726288 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

52726288 is a wasteful number, since it uses less digits than its factorization.

52726288 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106342 (or 106336 counting only the distinct ones).

The product of its digits is 107520, while the sum is 40.

The square root of 52726288 is about 7261.2869382775. The cubic root of 52726288 is about 374.9808298348.

The spelling of 52726288 in words is "fifty-two million, seven hundred twenty-six thousand, two hundred eighty-eight".