53441909 has 2 divisors, whose sum is σ = 53441910. Its totient is φ = 53441908.

The previous prime is 53441891. The next prime is 53441939. The reversal of 53441909 is 90914435.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 51523684 + 1918225 = 7178^2 + 1385^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-53441909 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 (53441939) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26720954 + 26720955.

It is an arithmetic number, because the mean of its divisors is an integer number (26720955).

Almost surely, 2^53441909 is an apocalyptic number.

It is an amenable number.

53441909 is a deficient number, since it is larger than the sum of its proper divisors (1).

53441909 is an equidigital number, since it uses as much as digits as its factorization.

53441909 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 19440, while the sum is 35.

The square root of 53441909 is about 7310.3973216235. The cubic root of 53441909 is about 376.6696724467.

The spelling of 53441909 in words is "fifty-three million, four hundred forty-one thousand, nine hundred nine".