52168686 has 16 divisors (see below), whose sum is σ = 104799744. Its totient is φ = 17312504.

The previous prime is 52168667. The next prime is 52168693. The reversal of 52168686 is 68686125.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17790 + ... + 20513.

It is an arithmetic number, because the mean of its divisors is an integer number (6549984).

Almost surely, 2^52168686 is an apocalyptic number.

52168686 is an abundant number, since it is smaller than the sum of its proper divisors (52631058).

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

52168686 is a wasteful number, since it uses less digits than its factorization.

52168686 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38535.

The product of its digits is 138240, while the sum is 42.

The square root of 52168686 is about 7222.7893503826. The cubic root of 52168686 is about 373.6542841290.

The spelling of 52168686 in words is "fifty-two million, one hundred sixty-eight thousand, six hundred eighty-six".