51727593391888 has 10 divisors (see below), whose sum is σ = 100222212196814. Its totient is φ = 25863796695936.

The previous prime is 51727593391867. The next prime is 51727593391961. The reversal of 51727593391888 is 88819339572715.

It can be written as a sum of positive squares in only one way, i.e., 37635918275344 + 14091675116544 = 6134812^2 + 3753888^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1616487293481 + ... + 1616487293512.

Almost surely, 2^{51727593391888} is an apocalyptic number.

It is an amenable number.

51727593391888 is a deficient number, since it is larger than the sum of its proper divisors (48494618804926).

51727593391888 is a wasteful number, since it uses less digits than its factorization.

51727593391888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3232974587001 (or 3232974586995 counting only the distinct ones).

The product of its digits is 914457600, while the sum is 76.

The spelling of 51727593391888 in words is "fifty-one trillion, seven hundred twenty-seven billion, five hundred ninety-three million, three hundred ninety-one thousand, eight hundred eighty-eight".