53353368569 has 2 divisors, whose sum is σ = 53353368570. Its totient is φ = 53353368568.

The previous prime is 53353368533. The next prime is 53353368581. The reversal of 53353368569 is 96586335335.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 35226785344 + 18126583225 = 187688^2 + 134635^2 .

It is a cyclic number.

It is not a de Polignac number, because 53353368569 - 2¹² = 53353364473 is a prime.

It is a super-2 number, since 2×53353368569² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (53353368169) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26676684284 + 26676684285.

It is an arithmetic number, because the mean of its divisors is an integer number (26676684285).

Almost surely, 2^53353368569 is an apocalyptic number.

It is an amenable number.

53353368569 is a deficient number, since it is larger than the sum of its proper divisors (1).

53353368569 is an equidigital number, since it uses as much as digits as its factorization.

53353368569 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 26244000, while the sum is 56.

The spelling of 53353368569 in words is "fifty-three billion, three hundred fifty-three million, three hundred sixty-eight thousand, five hundred sixty-nine".