53017650409 has 2 divisors, whose sum is σ = 53017650410. Its totient is φ = 53017650408.

The previous prime is 53017650403. The next prime is 53017650461. The reversal of 53017650409 is 90405671035.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 41627424784 + 11390225625 = 204028^2 + 106725^2 .

It is a cyclic number.

It is not a de Polignac number, because 53017650409 - 2³ = 53017650401 is a prime.

It is not a weakly prime, because it can be changed into another prime (53017650401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26508825204 + 26508825205.

It is an arithmetic number, because the mean of its divisors is an integer number (26508825205).

Almost surely, 2^53017650409 is an apocalyptic number.

It is an amenable number.

53017650409 is a deficient number, since it is larger than the sum of its proper divisors (1).

53017650409 is an equidigital number, since it uses as much as digits as its factorization.

53017650409 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 113400, while the sum is 40.

The spelling of 53017650409 in words is "fifty-three billion, seventeen million, six hundred fifty thousand, four hundred nine".