51050560072 has 16 divisors (see below), whose sum is σ = 95735529900. Its totient is φ = 25521085440.

The previous prime is 51050560013. The next prime is 51050560073. The reversal of 51050560072 is 27006505015.

It can be written as a sum of positive squares in 2 ways, for example, as 35900396676 + 15150163396 = 189474^2 + 123086^2 .

It is not an unprimeable number, because it can be changed into a prime (51050560073) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 472297 + ... + 570232.

Almost surely, 2^51050560072 is an apocalyptic number.

It is an amenable number.

51050560072 is a deficient number, since it is larger than the sum of its proper divisors (44684969828).

51050560072 is a wasteful number, since it uses less digits than its factorization.

51050560072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1048656 (or 1048652 counting only the distinct ones).

The product of its (nonzero) digits is 10500, while the sum is 31.

The spelling of 51050560072 in words is "fifty-one billion, fifty million, five hundred sixty thousand, seventy-two".