51727161 has 16 divisors (see below), whose sum is σ = 72273024. Its totient is φ = 32845824.

The previous prime is 51727157. The next prime is 51727183. The reversal of 51727161 is 16172715.

51727161 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 51727161 - 2² = 51727157 is a prime.

It is not an unprimeable number, because it can be changed into a prime (51727111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16275 + ... + 19191.

It is an arithmetic number, because the mean of its divisors is an integer number (4517064).

Almost surely, 2^51727161 is an apocalyptic number.

It is an amenable number.

51727161 is a deficient number, since it is larger than the sum of its proper divisors (20545863).

51727161 is a wasteful number, since it uses less digits than its factorization.

51727161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3200.

The product of its digits is 2940, while the sum is 30.

The square root of 51727161 is about 7192.1596895508. The cubic root of 51727161 is about 372.5971663701.

Adding to 51727161 its reverse (16172715), we get a palindrome (67899876).

The spelling of 51727161 in words is "fifty-one million, seven hundred twenty-seven thousand, one hundred sixty-one".