51352516634556 has 24 divisors (see below), whose sum is σ = 123060985810000. Its totient is φ = 16654870259712.

The previous prime is 51352516634513. The next prime is 51352516634563. The reversal of 51352516634556 is 65543661525315.

51352516634556 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 51352516634496 and 51352516634505.

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 7 ways as a sum of consecutive naturals, for example, 57829410181 + ... + 57829411068.

Almost surely, 2^{51352516634556} is an apocalyptic number.

It is an amenable number.

51352516634556 is an abundant number, since it is smaller than the sum of its proper divisors (71708469175444).

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

51352516634556 is a wasteful number, since it uses less digits than its factorization.

51352516634556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115658821293 (or 115658821291 counting only the distinct ones).

The product of its digits is 48600000, while the sum is 57.

The spelling of 51352516634556 in words is "fifty-one trillion, three hundred fifty-two billion, five hundred sixteen million, six hundred thirty-four thousand, five hundred fifty-six".