53616568 has 16 divisors (see below), whose sum is σ = 101150280. Its totient is φ = 26643168.

The previous prime is 53616539. The next prime is 53616583. The reversal of 53616568 is 86561635.

It is a self number, because there is not a number n which added to its sum of digits gives 53616568.

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, 19255 + ... + 21862.

Almost surely, 2^53616568 is an apocalyptic number.

It is an amenable number.

53616568 is a deficient number, since it is larger than the sum of its proper divisors (47533712).

53616568 is a wasteful number, since it uses less digits than its factorization.

53616568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41286 (or 41282 counting only the distinct ones).

The product of its digits is 129600, while the sum is 40.

The square root of 53616568 is about 7322.3335078375. Note that the first 3 decimals coincide. The cubic root of 53616568 is about 377.0795705277.

The spelling of 53616568 in words is "fifty-three million, six hundred sixteen thousand, five hundred sixty-eight".