53287664 has 40 divisors (see below), whose sum is σ = 107194032. Its totient is φ = 25643520.

The previous prime is 53287651. The next prime is 53287669. The reversal of 53287664 is 46678235.

It is a happy number.

53287664 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 (53287669) 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 7 ways as a sum of consecutive naturals, for example, 49694 + ... + 50754.

Almost surely, 2^53287664 is an apocalyptic number.

It is an amenable number.

53287664 is an abundant number, since it is smaller than the sum of its proper divisors (53906368).

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

53287664 is a wasteful number, since it uses less digits than its factorization.

53287664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1185 (or 1179 counting only the distinct ones).

The product of its digits is 241920, while the sum is 41.

The square root of 53287664 is about 7299.8399982465. The cubic root of 53287664 is about 376.3069396503.

The spelling of 53287664 in words is "fifty-three million, two hundred eighty-seven thousand, six hundred sixty-four".