53265545909 has 2 divisors, whose sum is σ = 53265545910. Its totient is φ = 53265545908.

The previous prime is 53265545891. The next prime is 53265545933. The reversal of 53265545909 is 90954556235.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 53058819025 + 206726884 = 230345^2 + 14378^2 .

It is a cyclic number.

It is not a de Polignac number, because 53265545909 - 2²⁴ = 53248768693 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53265545939) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26632772954 + 26632772955.

It is an arithmetic number, because the mean of its divisors is an integer number (26632772955).

Almost surely, 2^53265545909 is an apocalyptic number.

It is an amenable number.

53265545909 is a deficient number, since it is larger than the sum of its proper divisors (1).

53265545909 is an equidigital number, since it uses as much as digits as its factorization.

53265545909 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7290000, while the sum is 53.

The spelling of 53265545909 in words is "fifty-three billion, two hundred sixty-five million, five hundred forty-five thousand, nine hundred nine".