51359568 has 40 divisors (see below), whose sum is σ = 142886688. Its totient is φ = 15802752.

The previous prime is 51359563. The next prime is 51359569. The reversal of 51359568 is 86595315.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51359563) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40530 + ... + 41777.

Almost surely, 2^51359568 is an apocalyptic number.

It is an amenable number.

51359568 is an abundant number, since it is smaller than the sum of its proper divisors (91527120).

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

51359568 is a wasteful number, since it uses less digits than its factorization.

51359568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82331 (or 82325 counting only the distinct ones).

The product of its digits is 162000, while the sum is 42.

The square root of 51359568 is about 7166.5590069433. The cubic root of 51359568 is about 371.7124613505.

The spelling of 51359568 in words is "fifty-one million, three hundred fifty-nine thousand, five hundred sixty-eight".