52921564 has 6 divisors (see below), whose sum is σ = 92612744. Its totient is φ = 26460780.

The previous prime is 52921559. The next prime is 52921567. The reversal of 52921564 is 46512925.

It is a happy number.

52921564 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 not an unprimeable number, because it can be changed into a prime (52921567) by changing a digit.

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 as a sum of consecutive naturals, namely, 6615192 + ... + 6615199.

Almost surely, 2^52921564 is an apocalyptic number.

It is an amenable number.

52921564 is a deficient number, since it is larger than the sum of its proper divisors (39691180).

52921564 is a wasteful number, since it uses less digits than its factorization.

52921564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13230395 (or 13230393 counting only the distinct ones).

The product of its digits is 21600, while the sum is 34.

The square root of 52921564 is about 7274.7208881166. The cubic root of 52921564 is about 375.4431832891.

The spelling of 52921564 in words is "fifty-two million, nine hundred twenty-one thousand, five hundred sixty-four".