51127727 has 12 divisors (see below), whose sum is σ = 62606520. Its totient is φ = 41516496.

The previous prime is 51127709. The next prime is 51127733. The reversal of 51127727 is 72772115.

51127727 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 51127727 - 2⁶ = 51127663 is a prime.

It is a super-2 number, since 2×51127727² = 5228088936373058, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 51127693 and 51127702.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51127127) 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 11 ways as a sum of consecutive naturals, for example, 26528 + ... + 28389.

It is an arithmetic number, because the mean of its divisors is an integer number (5217210).

Almost surely, 2^51127727 is an apocalyptic number.

51127727 is a deficient number, since it is larger than the sum of its proper divisors (11478793).

51127727 is a wasteful number, since it uses less digits than its factorization.

51127727 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54950 (or 54943 counting only the distinct ones).

The product of its digits is 6860, while the sum is 32.

The square root of 51127727 is about 7150.3655151328. The cubic root of 51127727 is about 371.1523048570.

The spelling of 51127727 in words is "fifty-one million, one hundred twenty-seven thousand, seven hundred twenty-seven".