51788311 has 2 divisors, whose sum is σ = 51788312. Its totient is φ = 51788310.

The previous prime is 51788309. The next prime is 51788351. The reversal of 51788311 is 11388715.

51788311 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 51788311 - 2¹ = 51788309 is a prime.

It is a super-4 number, since 4×51788311⁴ (a number of 32 digits) contains 4444 as substring.

Together with 51788309, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51788351) 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, 25894155 + 25894156.

It is an arithmetic number, because the mean of its divisors is an integer number (25894156).

Almost surely, 2^51788311 is an apocalyptic number.

51788311 is a deficient number, since it is larger than the sum of its proper divisors (1).

51788311 is an equidigital number, since it uses as much as digits as its factorization.

51788311 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6720, while the sum is 34.

The square root of 51788311 is about 7196.4095909002. The cubic root of 51788311 is about 372.7439322336.

The spelling of 51788311 in words is "fifty-one million, seven hundred eighty-eight thousand, three hundred eleven".