51775349 has 2 divisors, whose sum is σ = 51775350. Its totient is φ = 51775348.

The previous prime is 51775337. The next prime is 51775379. The reversal of 51775349 is 94357715.

51775349 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 can be written as a sum of positive squares in only one way, i.e., 51739249 + 36100 = 7193^2 + 190^2 .

It is a cyclic number.

It is not a de Polignac number, because 51775349 - 2¹² = 51771253 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51775309) 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, 25887674 + 25887675.

It is an arithmetic number, because the mean of its divisors is an integer number (25887675).

Almost surely, 2^51775349 is an apocalyptic number.

It is an amenable number.

51775349 is a deficient number, since it is larger than the sum of its proper divisors (1).

51775349 is an equidigital number, since it uses as much as digits as its factorization.

51775349 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 132300, while the sum is 41.

The square root of 51775349 is about 7195.5089465583. The cubic root of 51775349 is about 372.7128318437.

The spelling of 51775349 in words is "fifty-one million, seven hundred seventy-five thousand, three hundred forty-nine".