51642801276628 has 12 divisors (see below), whose sum is σ = 91034573054292. Its totient is φ = 25632923261120.

The previous prime is 51642801276589. The next prime is 51642801276659. The reversal of 51642801276628 is 82667210824615.

51642801276628 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 36047031350724 + 15595769925904 = 6003918^2 + 3949148^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47119343683 + ... + 47119344778.

It is an arithmetic number, because the mean of its divisors is an integer number (7586214421191).

Almost surely, 2^{51642801276628} is an apocalyptic number.

It is an amenable number.

51642801276628 is a deficient number, since it is larger than the sum of its proper divisors (39391771777664).

51642801276628 is a wasteful number, since it uses less digits than its factorization.

51642801276628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94238688602 (or 94238688600 counting only the distinct ones).

The product of its (nonzero) digits is 15482880, while the sum is 58.

The spelling of 51642801276628 in words is "fifty-one trillion, six hundred forty-two billion, eight hundred one million, two hundred seventy-six thousand, six hundred twenty-eight".