53990784 has 48 divisors (see below), whose sum is σ = 155367420. Its totient is φ = 17996544.

The previous prime is 53990777. The next prime is 53990801. The reversal of 53990784 is 48709935.

53990784 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (48).

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 5 ways as a sum of consecutive naturals, for example, 22282 + ... + 24585.

Almost surely, 2^53990784 is an apocalyptic number.

It is an amenable number.

53990784 is an abundant number, since it is smaller than the sum of its proper divisors (101376636).

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

53990784 is a wasteful number, since it uses less digits than its factorization.

53990784 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46887 (or 46872 counting only the distinct ones).

The product of its (nonzero) digits is 272160, while the sum is 45.

The square root of 53990784 is about 7347.8421322181. The cubic root of 53990784 is about 377.9548110925.

The spelling of 53990784 in words is "fifty-three million, nine hundred ninety thousand, seven hundred eighty-four".