53085684 has 12 divisors (see below), whose sum is σ = 123866624. Its totient is φ = 17695224.

The previous prime is 53085667. The next prime is 53085727. The reversal of 53085684 is 48658035.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2211892 + ... + 2211915.

Almost surely, 2^53085684 is an apocalyptic number.

It is an amenable number.

53085684 is an abundant number, since it is smaller than the sum of its proper divisors (70780940).

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

53085684 is a wasteful number, since it uses less digits than its factorization.

53085684 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4423814 (or 4423812 counting only the distinct ones).

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

The square root of 53085684 is about 7285.9923140228. The cubic root of 53085684 is about 375.8308900759.

The spelling of 53085684 in words is "fifty-three million, eighty-five thousand, six hundred eighty-four".