51060050056 has 8 divisors (see below), whose sum is σ = 95737593870. Its totient is φ = 25530025024.

The previous prime is 51060050053. The next prime is 51060050057. The reversal of 51060050056 is 65005006015.

It can be written as a sum of positive squares in only one way, i.e., 44324565156 + 6735484900 = 210534^2 + 82070^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (51060050053) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3191253121 + ... + 3191253136.

Almost surely, 2^51060050056 is an apocalyptic number.

It is an amenable number.

51060050056 is a deficient number, since it is larger than the sum of its proper divisors (44677543814).

51060050056 is a wasteful number, since it uses less digits than its factorization.

51060050056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6382506263 (or 6382506259 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 28.

The spelling of 51060050056 in words is "fifty-one billion, sixty million, fifty thousand, fifty-six".