85535053559 has 2 divisors, whose sum is σ = 85535053560. Its totient is φ = 85535053558.

The previous prime is 85535053553. The next prime is 85535053627. The reversal of 85535053559 is 95535053558.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 85535053559 - 2¹² = 85535049463 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 85535053559.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (85535053553) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42767526779 + 42767526780.

It is an arithmetic number, because the mean of its divisors is an integer number (42767526780).

Almost surely, 2^85535053559 is an apocalyptic number.

85535053559 is a deficient number, since it is larger than the sum of its proper divisors (1).

85535053559 is an equidigital number, since it uses as much as digits as its factorization.

85535053559 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10125000, while the sum is 53.

Subtracting 85535053559 from its reverse (95535053558), we obtain a palindrome (9999999999).

The spelling of 85535053559 in words is "eighty-five billion, five hundred thirty-five million, fifty-three thousand, five hundred fifty-nine".