51727751 has 2 divisors, whose sum is σ = 51727752. Its totient is φ = 51727750.

The previous prime is 51727729. The next prime is 51727763. The reversal of 51727751 is 15772715.

It is a happy number.

51727751 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 51727751 - 2¹⁴ = 51711367 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51727721) 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 as a sum of consecutive naturals, namely, 25863875 + 25863876.

It is an arithmetic number, because the mean of its divisors is an integer number (25863876).

Almost surely, 2^51727751 is an apocalyptic number.

51727751 is a deficient number, since it is larger than the sum of its proper divisors (1).

51727751 is an equidigital number, since it uses as much as digits as its factorization.

51727751 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 17150, while the sum is 35.

The square root of 51727751 is about 7192.2007063207. The cubic root of 51727751 is about 372.5985829792.

The spelling of 51727751 in words is "fifty-one million, seven hundred twenty-seven thousand, seven hundred fifty-one".