51588391 has 2 divisors, whose sum is σ = 51588392. Its totient is φ = 51588390.

The previous prime is 51588377. The next prime is 51588403. The reversal of 51588391 is 19388515.

51588391 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 51588391 - 2¹¹ = 51586343 is a prime.

It is a super-2 number, since 2×51588391² = 5322724171937762, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51588301) 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, 25794195 + 25794196.

It is an arithmetic number, because the mean of its divisors is an integer number (25794196).

Almost surely, 2^51588391 is an apocalyptic number.

51588391 is a deficient number, since it is larger than the sum of its proper divisors (1).

51588391 is an equidigital number, since it uses as much as digits as its factorization.

51588391 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 43200, while the sum is 40.

The square root of 51588391 is about 7182.5058997539. The cubic root of 51588391 is about 372.2636754539.

The spelling of 51588391 in words is "fifty-one million, five hundred eighty-eight thousand, three hundred ninety-one".