51759746652 has 24 divisors (see below), whose sum is σ = 120777858432. Its totient is φ = 17252518000.

The previous prime is 51759746587. The next prime is 51759746663. The reversal of 51759746652 is 25664795715.

It is a junction number, because it is equal to n+sod(n) for n = 51759746592 and 51759746601.

It is a congruent number.

It is an unprimeable number.

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, 256777 + ... + 411647.

It is an arithmetic number, because the mean of its divisors is an integer number (5032410768).

Almost surely, 2^51759746652 is an apocalyptic number.

It is an amenable number.

51759746652 is an abundant number, since it is smaller than the sum of its proper divisors (69018111780).

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

51759746652 is a wasteful number, since it uses less digits than its factorization.

51759746652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 182729 (or 182727 counting only the distinct ones).

The product of its digits is 15876000, while the sum is 57.

The spelling of 51759746652 in words is "fifty-one billion, seven hundred fifty-nine million, seven hundred forty-six thousand, six hundred fifty-two".