51171327 has 12 divisors (see below), whose sum is σ = 74633104. Its totient is φ = 33782400.

The previous prime is 51171319. The next prime is 51171331. The reversal of 51171327 is 72317115.

It is a happy number.

It is not a de Polignac number, because 51171327 - 2³ = 51171319 is a prime.

It is a Duffinian number.

It is a zygodrome in base 2.

It is a self number, because there is not a number n which added to its sum of digits gives 51171327.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51171397) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 26674 + ... + 28527.

Almost surely, 2^51171327 is an apocalyptic number.

51171327 is a deficient number, since it is larger than the sum of its proper divisors (23461777).

51171327 is a wasteful number, since it uses less digits than its factorization.

51171327 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55310 (or 55307 counting only the distinct ones).

The product of its digits is 1470, while the sum is 27.

The square root of 51171327 is about 7153.4136606239. The cubic root of 51171327 is about 371.2577769347.

The spelling of 51171327 in words is "fifty-one million, one hundred seventy-one thousand, three hundred twenty-seven".