53389649 has 2 divisors, whose sum is σ = 53389650. Its totient is φ = 53389648.

The previous prime is 53389619. The next prime is 53389663. The reversal of 53389649 is 94698335.

53389649 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., 36084049 + 17305600 = 6007^2 + 4160^2 .

It is a cyclic number.

It is not a de Polignac number, because 53389649 - 2⁸ = 53389393 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (53389619) 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, 26694824 + 26694825.

It is an arithmetic number, because the mean of its divisors is an integer number (26694825).

Almost surely, 2^53389649 is an apocalyptic number.

It is an amenable number.

53389649 is a deficient number, since it is larger than the sum of its proper divisors (1).

53389649 is an equidigital number, since it uses as much as digits as its factorization.

53389649 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 699840, while the sum is 47.

The square root of 53389649 is about 7306.8220862424. The cubic root of 53389649 is about 376.5468526260.

The spelling of 53389649 in words is "fifty-three million, three hundred eighty-nine thousand, six hundred forty-nine".