51888968 has 8 divisors (see below), whose sum is σ = 97291830. Its totient is φ = 25944480.

The previous prime is 51888937. The next prime is 51889007. The reversal of 51888968 is 86988815.

It can be written as a sum of positive squares in only one way, i.e., 51868804 + 20164 = 7202^2 + 142^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3243053 + ... + 3243068.

Almost surely, 2^51888968 is an apocalyptic number.

It is an amenable number.

51888968 is a deficient number, since it is larger than the sum of its proper divisors (45402862).

51888968 is a wasteful number, since it uses less digits than its factorization.

51888968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6486127 (or 6486123 counting only the distinct ones).

The product of its digits is 1105920, while the sum is 53.

The square root of 51888968 is about 7203.3997528945. The cubic root of 51888968 is about 372.9852672870.

The spelling of 51888968 in words is "fifty-one million, eight hundred eighty-eight thousand, nine hundred sixty-eight".