51168712 has 32 divisors (see below), whose sum is σ = 111985920. Its totient is φ = 21461760.

The previous prime is 51168707. The next prime is 51168713. The reversal of 51168712 is 21786115.

It is not an unprimeable number, because it can be changed into a prime (51168713) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7089 + ... + 12352.

It is an arithmetic number, because the mean of its divisors is an integer number (3499560).

Almost surely, 2^51168712 is an apocalyptic number.

It is an amenable number.

51168712 is an abundant number, since it is smaller than the sum of its proper divisors (60817208).

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

51168712 is a wasteful number, since it uses less digits than its factorization.

51168712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19501 (or 19497 counting only the distinct ones).

The product of its digits is 3360, while the sum is 31.

The square root of 51168712 is about 7153.2308784213. The cubic root of 51168712 is about 371.2514527183.

The spelling of 51168712 in words is "fifty-one million, one hundred sixty-eight thousand, seven hundred twelve".