53686612 has 24 divisors (see below), whose sum is σ = 113690304. Its totient is φ = 21654912.

The previous prime is 53686603. The next prime is 53686613. The reversal of 53686612 is 21668635.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53686613) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55918 + ... + 56869.

It is an arithmetic number, because the mean of its divisors is an integer number (4737096).

Almost surely, 2^53686612 is an apocalyptic number.

It is an amenable number.

53686612 is an abundant number, since it is smaller than the sum of its proper divisors (60003692).

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

53686612 is a wasteful number, since it uses less digits than its factorization.

53686612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112815 (or 112813 counting only the distinct ones).

The product of its digits is 51840, while the sum is 37.

The square root of 53686612 is about 7327.1148482878. The cubic root of 53686612 is about 377.2437030540.

The spelling of 53686612 in words is "fifty-three million, six hundred eighty-six thousand, six hundred twelve".