53056909 has 2 divisors, whose sum is σ = 53056910. Its totient is φ = 53056908.

The previous prime is 53056901. The next prime is 53056919. The reversal of 53056909 is 90965035.

53056909 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., 48260809 + 4796100 = 6947^2 + 2190^2 .

It is a cyclic number.

It is not a de Polignac number, because 53056909 - 2³ = 53056901 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53056901) 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, 26528454 + 26528455.

It is an arithmetic number, because the mean of its divisors is an integer number (26528455).

Almost surely, 2^53056909 is an apocalyptic number.

It is an amenable number.

53056909 is a deficient number, since it is larger than the sum of its proper divisors (1).

53056909 is an equidigital number, since it uses as much as digits as its factorization.

53056909 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36450, while the sum is 37.

The square root of 53056909 is about 7284.0173668107. The cubic root of 53056909 is about 375.7629716489.

The spelling of 53056909 in words is "fifty-three million, fifty-six thousand, nine hundred nine".