53244117209 has 2 divisors, whose sum is σ = 53244117210. Its totient is φ = 53244117208.

The previous prime is 53244117203. The next prime is 53244117211. The reversal of 53244117209 is 90271144235.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 33698679184 + 19545438025 = 183572^2 + 139805^2 .

It is a cyclic number.

It is not a de Polignac number, because 53244117209 - 2⁸ = 53244116953 is a prime.

Together with 53244117211, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (53244117203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26622058604 + 26622058605.

It is an arithmetic number, because the mean of its divisors is an integer number (26622058605).

Almost surely, 2^53244117209 is an apocalyptic number.

It is an amenable number.

53244117209 is a deficient number, since it is larger than the sum of its proper divisors (1).

53244117209 is an equidigital number, since it uses as much as digits as its factorization.

53244117209 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 60480, while the sum is 38.

The spelling of 53244117209 in words is "fifty-three billion, two hundred forty-four million, one hundred seventeen thousand, two hundred nine".