53686384 has 20 divisors (see below), whose sum is σ = 106555680. Its totient is φ = 26188160.

The previous prime is 53686379. The next prime is 53686397. The reversal of 53686384 is 48368635.

It is a zygodrome in base 2.

It is a self number, because there is not a number n which added to its sum of digits gives 53686384.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40264 + ... + 41575.

It is an arithmetic number, because the mean of its divisors is an integer number (5327784).

Almost surely, 2^53686384 is an apocalyptic number.

It is an amenable number.

53686384 is a deficient number, since it is larger than the sum of its proper divisors (52869296).

53686384 is a wasteful number, since it uses less digits than its factorization.

53686384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81888 (or 81882 counting only the distinct ones).

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

The square root of 53686384 is about 7327.0992896234. The cubic root of 53686384 is about 377.2431690184.

The spelling of 53686384 in words is "fifty-three million, six hundred eighty-six thousand, three hundred eighty-four".