51327849171 has 16 divisors (see below), whose sum is σ = 68807664000. Its totient is φ = 34033603968.

The previous prime is 51327849151. The next prime is 51327849187. The reversal of 51327849171 is 17194872315.

It is not a de Polignac number, because 51327849171 - 2³¹ = 49180365523 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 51327849171.

It is not an unprimeable number, because it can be changed into a prime (51327849101) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 649780 + ... + 724478.

It is an arithmetic number, because the mean of its divisors is an integer number (4300479000).

Almost surely, 2^51327849171 is an apocalyptic number.

51327849171 is a deficient number, since it is larger than the sum of its proper divisors (17479814829).

51327849171 is a wasteful number, since it uses less digits than its factorization.

51327849171 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75938.

The product of its digits is 423360, while the sum is 48.

The spelling of 51327849171 in words is "fifty-one billion, three hundred twenty-seven million, eight hundred forty-nine thousand, one hundred seventy-one".