51743911 has 2 divisors, whose sum is σ = 51743912. Its totient is φ = 51743910.

The previous prime is 51743891. The next prime is 51743947. The reversal of 51743911 is 11934715.

51743911 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 51743911 - 2²³ = 43355303 is a prime.

It is equal to p_3099361 and since 51743911 and 3099361 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51743011) 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, 25871955 + 25871956.

It is an arithmetic number, because the mean of its divisors is an integer number (25871956).

Almost surely, 2^51743911 is an apocalyptic number.

51743911 is a deficient number, since it is larger than the sum of its proper divisors (1).

51743911 is an equidigital number, since it uses as much as digits as its factorization.

51743911 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3780, while the sum is 31.

The square root of 51743911 is about 7193.3240577636. The cubic root of 51743911 is about 372.6373794735.

The spelling of 51743911 in words is "fifty-one million, seven hundred forty-three thousand, nine hundred eleven".