53988372 has 36 divisors (see below), whose sum is σ = 141179220. Its totient is φ = 17375232.

The previous prime is 53988323. The next prime is 53988421. The reversal of 53988372 is 27388935.

53988372 is a `hidden beast` number, since 539 + 88 + 37 + 2 = 666.

53988372 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (53988323) and next prime (53988421).

It can be written as a sum of positive squares in 2 ways, for example, as 32421636 + 21566736 = 5694^2 + 4644^2 .

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

It is a super-2 number, since 2×53988372² = 5829488622420768, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 24813 + ... + 26900.

It is an arithmetic number, because the mean of its divisors is an integer number (3921645).

Almost surely, 2^53988372 is an apocalyptic number.

It is an amenable number.

53988372 is an abundant number, since it is smaller than the sum of its proper divisors (87190848).

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

53988372 is a wasteful number, since it uses less digits than its factorization.

53988372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51752 (or 51747 counting only the distinct ones).

The product of its digits is 362880, while the sum is 45.

The square root of 53988372 is about 7347.6780005659. The cubic root of 53988372 is about 377.9491827209.

The spelling of 53988372 in words is "fifty-three million, nine hundred eighty-eight thousand, three hundred seventy-two".