51556566005060 has 12 divisors (see below), whose sum is σ = 108268788610668. Its totient is φ = 20622626402016.

The previous prime is 51556566005057. The next prime is 51556566005137. The reversal of 51556566005060 is 6050066565515.

It can be written as a sum of positive squares in 2 ways, for example, as 13165852596484 + 38390713408576 = 3628478^2 + 6196024^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1288914150107 + ... + 1288914150146.

It is an arithmetic number, because the mean of its divisors is an integer number (9022399050889).

Almost surely, 2^{51556566005060} is an apocalyptic number.

It is an amenable number.

51556566005060 is an abundant number, since it is smaller than the sum of its proper divisors (56712222605608).

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

51556566005060 is a wasteful number, since it uses less digits than its factorization.

51556566005060 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2577828300262 (or 2577828300260 counting only the distinct ones).

The product of its (nonzero) digits is 4050000, while the sum is 50.

The spelling of 51556566005060 in words is "fifty-one trillion, five hundred fifty-six billion, five hundred sixty-six million, five thousand, sixty".