52989564 has 24 divisors (see below), whose sum is σ = 123777360. Its totient is φ = 17643904.

The previous prime is 52989557. The next prime is 52989577. The reversal of 52989564 is 46598925.

52989564 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 7 ways as a sum of consecutive naturals, for example, 12952 + ... + 16544.

It is an arithmetic number, because the mean of its divisors is an integer number (5157390).

Almost surely, 2^52989564 is an apocalyptic number.

It is an amenable number.

52989564 is an abundant number, since it is smaller than the sum of its proper divisors (70787796).

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

52989564 is a wasteful number, since it uses less digits than its factorization.

52989564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4829 (or 4827 counting only the distinct ones).

The product of its digits is 777600, while the sum is 48.

The square root of 52989564 is about 7279.3931065715. The cubic root of 52989564 is about 375.6039193395.

The spelling of 52989564 in words is "fifty-two million, nine hundred eighty-nine thousand, five hundred sixty-four".