53187684 has 48 divisors (see below), whose sum is σ = 141281280. Its totient is φ = 15415840.

The previous prime is 53187683. The next prime is 53187709. The reversal of 53187684 is 48678135.

It is not an unprimeable number, because it can be changed into a prime (53187683) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5724 + ... + 11795.

It is an arithmetic number, because the mean of its divisors is an integer number (2943360).

Almost surely, 2^53187684 is an apocalyptic number.

It is an amenable number.

53187684 is an abundant number, since it is smaller than the sum of its proper divisors (88093596).

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

53187684 is a wasteful number, since it uses less digits than its factorization.

53187684 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17560 (or 17558 counting only the distinct ones).

The product of its digits is 161280, while the sum is 42.

The square root of 53187684 is about 7292.9886877740. The cubic root of 53187684 is about 376.0714459826.

The spelling of 53187684 in words is "fifty-three million, one hundred eighty-seven thousand, six hundred eighty-four".