51689896060 has 24 divisors (see below), whose sum is σ = 118416853296. Its totient is φ = 18796325760.

The previous prime is 51689896039. The next prime is 51689896067. The reversal of 51689896060 is 6069898615.

It is a junction number, because it is equal to n+sod(n) for n = 51689895986 and 51689896004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51689896067) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 117476817 + ... + 117477256.

It is an arithmetic number, because the mean of its divisors is an integer number (4934035554).

Almost surely, 2^51689896060 is an apocalyptic number.

It is an amenable number.

51689896060 is an abundant number, since it is smaller than the sum of its proper divisors (66726957236).

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

51689896060 is a wasteful number, since it uses less digits than its factorization.

51689896060 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 234954093 (or 234954091 counting only the distinct ones).

The product of its (nonzero) digits is 5598720, while the sum is 58.

It can be divided in two parts, 51689 and 896060, that added together give a palindrome (947749).

The spelling of 51689896060 in words is "fifty-one billion, six hundred eighty-nine million, eight hundred ninety-six thousand, sixty".