53973686 has 32 divisors (see below), whose sum is σ = 93139200. Its totient is φ = 23262624.

The previous prime is 53973683. The next prime is 53973707. The reversal of 53973686 is 68637935.

It is a self number, because there is not a number n which added to its sum of digits gives 53973686.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53973683) 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, 24665 + ... + 26763.

It is an arithmetic number, because the mean of its divisors is an integer number (2910600).

Almost surely, 2^53973686 is an apocalyptic number.

53973686 is a deficient number, since it is larger than the sum of its proper divisors (39165514).

53973686 is a wasteful number, since it uses less digits than its factorization.

53973686 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2180.

The product of its digits is 816480, while the sum is 47.

The square root of 53973686 is about 7346.6785692584. The cubic root of 53973686 is about 377.9149095070.

The spelling of 53973686 in words is "fifty-three million, nine hundred seventy-three thousand, six hundred eighty-six".