52668664 has 16 divisors (see below), whose sum is σ = 98836920. Its totient is φ = 26312160.

The previous prime is 52668619. The next prime is 52668667. The reversal of 52668664 is 46686625.

52668664 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 52668664.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52668667) 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 in 3 ways as a sum of consecutive naturals, for example, 11874 + ... + 15694.

Almost surely, 2^52668664 is an apocalyptic number.

It is an amenable number.

52668664 is a deficient number, since it is larger than the sum of its proper divisors (46168256).

52668664 is a wasteful number, since it uses less digits than its factorization.

52668664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5550 (or 5546 counting only the distinct ones).

The product of its digits is 414720, while the sum is 43.

The square root of 52668664 is about 7257.3179618920. The cubic root of 52668664 is about 374.8441758518.

The spelling of 52668664 in words is "fifty-two million, six hundred sixty-eight thousand, six hundred sixty-four".