53913685 has 16 divisors (see below), whose sum is σ = 74232576. Its totient is φ = 36822528.

The previous prime is 53913649. The next prime is 53913719. The reversal of 53913685 is 58631935.

53913685 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-53913685 is a prime.

It is a Duffinian number.

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 15 ways as a sum of consecutive naturals, for example, 6277 + ... + 12133.

It is an arithmetic number, because the mean of its divisors is an integer number (4639536).

Almost surely, 2^53913685 is an apocalyptic number.

It is an amenable number.

53913685 is a deficient number, since it is larger than the sum of its proper divisors (20318891).

53913685 is a wasteful number, since it uses less digits than its factorization.

53913685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6132.

The product of its digits is 97200, while the sum is 40.

The square root of 53913685 is about 7342.5938877212. The cubic root of 53913685 is about 377.7748185242.

The spelling of 53913685 in words is "fifty-three million, nine hundred thirteen thousand, six hundred eighty-five".