52247988 has 36 divisors (see below), whose sum is σ = 142231908. Its totient is φ = 16076160.

The previous prime is 52247969. The next prime is 52247999. The reversal of 52247988 is 88974225.

52247988 is a `hidden beast` number, since 522 + 47 + 9 + 88 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 12027024 + 40220964 = 3468^2 + 6342^2 .

It is a tau number, because it is divible by the number of its divisors (36).

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, 55353 + ... + 56288.

Almost surely, 2^52247988 is an apocalyptic number.

It is an amenable number.

52247988 is an abundant number, since it is smaller than the sum of its proper divisors (89983920).

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

52247988 is a wasteful number, since it uses less digits than its factorization.

52247988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111664 (or 111659 counting only the distinct ones).

The product of its digits is 322560, while the sum is 45.

The square root of 52247988 is about 7228.2769731105. The cubic root of 52247988 is about 373.8435198092.

It can be divided in two parts, 52247 and 988, that added together give a palindrome (53235).

The spelling of 52247988 in words is "fifty-two million, two hundred forty-seven thousand, nine hundred eighty-eight".