51707271 has 16 divisors (see below), whose sum is σ = 85955328. Its totient is φ = 26860800.

The previous prime is 51707269. The next prime is 51707281. The reversal of 51707271 is 17270715.

It is not a de Polignac number, because 51707271 - 2¹ = 51707269 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51707221) 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, 111690 + ... + 112151.

It is an arithmetic number, because the mean of its divisors is an integer number (5372208).

Almost surely, 2^51707271 is an apocalyptic number.

51707271 is a deficient number, since it is larger than the sum of its proper divisors (34248057).

51707271 is a wasteful number, since it uses less digits than its factorization.

51707271 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 223862.

The product of its (nonzero) digits is 3430, while the sum is 30.

The square root of 51707271 is about 7190.7768008749. The cubic root of 51707271 is about 372.5494035341.

Adding to 51707271 its reverse (17270715), we get a palindrome (68977986).

The spelling of 51707271 in words is "fifty-one million, seven hundred seven thousand, two hundred seventy-one".