51482791 has 2 divisors, whose sum is σ = 51482792. Its totient is φ = 51482790.

The previous prime is 51482779. The next prime is 51482843. The reversal of 51482791 is 19728415.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 51482791 - 2⁵ = 51482759 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 51482791.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51482731) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25741395 + 25741396.

It is an arithmetic number, because the mean of its divisors is an integer number (25741396).

Almost surely, 2^51482791 is an apocalyptic number.

51482791 is a deficient number, since it is larger than the sum of its proper divisors (1).

51482791 is an equidigital number, since it uses as much as digits as its factorization.

51482791 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 20160, while the sum is 37.

The square root of 51482791 is about 7175.1509391789. The cubic root of 51482791 is about 372.0094974837.

The spelling of 51482791 in words is "fifty-one million, four hundred eighty-two thousand, seven hundred ninety-one".