51672568 has 16 divisors (see below), whose sum is σ = 97103160. Its totient is φ = 25778400.

The previous prime is 51672529. The next prime is 51672581. The reversal of 51672568 is 86527615.

It is a self number, because there is not a number n which added to its sum of digits gives 51672568.

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, 3318 + ... + 10693.

Almost surely, 2^51672568 is an apocalyptic number.

It is an amenable number.

51672568 is a deficient number, since it is larger than the sum of its proper divisors (45430592).

51672568 is a wasteful number, since it uses less digits than its factorization.

51672568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14478 (or 14474 counting only the distinct ones).

The product of its digits is 100800, while the sum is 40.

The square root of 51672568 is about 7188.3633742320. The cubic root of 51672568 is about 372.4660401754.

The spelling of 51672568 in words is "fifty-one million, six hundred seventy-two thousand, five hundred sixty-eight".