51317996 has 12 divisors (see below), whose sum is σ = 89856648. Its totient is φ = 25644672.

The previous prime is 51317971. The next prime is 51318011. The reversal of 51317996 is 69971315.

51317996 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12380 + ... + 15996.

It is an arithmetic number, because the mean of its divisors is an integer number (7488054).

Almost surely, 2^51317996 is an apocalyptic number.

It is an amenable number.

51317996 is a deficient number, since it is larger than the sum of its proper divisors (38538652).

51317996 is a wasteful number, since it uses less digits than its factorization.

51317996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7168 (or 7166 counting only the distinct ones).

The product of its digits is 51030, while the sum is 41.

The square root of 51317996 is about 7163.6580041205. The cubic root of 51317996 is about 371.6121424794.

The spelling of 51317996 in words is "fifty-one million, three hundred seventeen thousand, nine hundred ninety-six".