53688504 has 32 divisors (see below), whose sum is σ = 134442000. Its totient is φ = 17866752.

The previous prime is 53688491. The next prime is 53688539. The reversal of 53688504 is 40588635.

It is a happy number.

53688504 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, 17002 + ... + 19910.

Almost surely, 2^53688504 is an apocalyptic number.

It is an amenable number.

53688504 is an abundant number, since it is smaller than the sum of its proper divisors (80753496).

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

53688504 is a wasteful number, since it uses less digits than its factorization.

53688504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3687 (or 3683 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 39.

The square root of 53688504 is about 7327.2439566320. The cubic root of 53688504 is about 377.2481345543.

The spelling of 53688504 in words is "fifty-three million, six hundred eighty-eight thousand, five hundred four".