51168396 has 12 divisors (see below), whose sum is σ = 119392952. Its totient is φ = 17056128.

The previous prime is 51168389. The next prime is 51168407. The reversal of 51168396 is 69386115.

It is a tau number, because it is divible by the number of its divisors (12).

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, 2132005 + ... + 2132028.

Almost surely, 2^51168396 is an apocalyptic number.

It is an amenable number.

51168396 is an abundant number, since it is smaller than the sum of its proper divisors (68224556).

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

51168396 is a wasteful number, since it uses less digits than its factorization.

51168396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4264040 (or 4264038 counting only the distinct ones).

The product of its digits is 38880, while the sum is 39.

The square root of 51168396 is about 7153.2087904660. The cubic root of 51168396 is about 371.2506884772.

The spelling of 51168396 in words is "fifty-one million, one hundred sixty-eight thousand, three hundred ninety-six".