52281872 has 20 divisors (see below), whose sum is σ = 104564736. Its totient is φ = 25297440.

The previous prime is 52281839. The next prime is 52281881. The reversal of 52281872 is 27818225.

52281872 is an admirable number.

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, 52208 + ... + 53199.

Almost surely, 2^52281872 is an apocalyptic number.

It is an amenable number.

52281872 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.

52281872 is a wasteful number, since it uses less digits than its factorization.

52281872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105446 (or 105440 counting only the distinct ones).

The product of its digits is 17920, while the sum is 35.

The square root of 52281872 is about 7230.6204436411. The cubic root of 52281872 is about 373.9243176667.

The spelling of 52281872 in words is "fifty-two million, two hundred eighty-one thousand, eight hundred seventy-two".