52997472 has 72 divisors (see below), whose sum is σ = 164422440. Its totient is φ = 16058880.

The previous prime is 52997467. The next prime is 52997513. The reversal of 52997472 is 27479925.

It is a tau number, because it is divible by the number of its divisors (72).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5197 + ... + 11532.

It is an arithmetic number, because the mean of its divisors is an integer number (2283645).

Almost surely, 2^52997472 is an apocalyptic number.

It is an amenable number.

52997472 is an abundant number, since it is smaller than the sum of its proper divisors (111424968).

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

52997472 is a wasteful number, since it uses less digits than its factorization.

52997472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16756 (or 16745 counting only the distinct ones).

The product of its digits is 317520, while the sum is 45.

The square root of 52997472 is about 7279.9362634573. The cubic root of 52997472 is about 375.6226030690.

The spelling of 52997472 in words is "fifty-two million, nine hundred ninety-seven thousand, four hundred seventy-two".