53533349 has 2 divisors, whose sum is σ = 53533350. Its totient is φ = 53533348.

The previous prime is 53533327. The next prime is 53533369. The reversal of 53533349 is 94333535.

53533349 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 can be written as a sum of positive squares in only one way, i.e., 50268100 + 3265249 = 7090^2 + 1807^2 .

It is a cyclic number.

It is not a de Polignac number, because 53533349 - 2¹² = 53529253 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53533369) 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, 26766674 + 26766675.

It is an arithmetic number, because the mean of its divisors is an integer number (26766675).

Almost surely, 2^53533349 is an apocalyptic number.

It is an amenable number.

53533349 is a deficient number, since it is larger than the sum of its proper divisors (1).

53533349 is an equidigital number, since it uses as much as digits as its factorization.

53533349 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 72900, while the sum is 35.

The square root of 53533349 is about 7316.6487547237. The cubic root of 53533349 is about 376.8843794070.

The spelling of 53533349 in words is "fifty-three million, five hundred thirty-three thousand, three hundred forty-nine".