51317682 has 32 divisors (see below), whose sum is σ = 111198528. Its totient is φ = 15694656.

The previous prime is 51317681. The next prime is 51317687. The reversal of 51317682 is 28671315.

51317682 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (51317681) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 11593 + ... + 15395.

It is an arithmetic number, because the mean of its divisors is an integer number (3474954).

Almost surely, 2^51317682 is an apocalyptic number.

51317682 is an abundant number, since it is smaller than the sum of its proper divisors (59880846).

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

51317682 is a wasteful number, since it uses less digits than its factorization.

51317682 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3994.

The product of its digits is 10080, while the sum is 33.

The square root of 51317682 is about 7163.6360879095. The cubic root of 51317682 is about 371.6113845487.

Adding to 51317682 its reverse (28671315), we get a palindrome (79988997).

The spelling of 51317682 in words is "fifty-one million, three hundred seventeen thousand, six hundred eighty-two".