82554445529 has 4 divisors (see below), whose sum is σ = 83010547620. Its totient is φ = 82098343440.

The previous prime is 82554445483. The next prime is 82554445541. The reversal of 82554445529 is 92554445528.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 29267339929 + 53287105600 = 171077^2 + 230840^2 .

It is a cyclic number.

It is not a de Polignac number, because 82554445529 - 2²⁰ = 82553396953 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (82554415529) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 228050774 + ... + 228051135.

It is an arithmetic number, because the mean of its divisors is an integer number (20752636905).

Almost surely, 2^82554445529 is an apocalyptic number.

It is an amenable number.

82554445529 is a deficient number, since it is larger than the sum of its proper divisors (456102091).

82554445529 is a wasteful number, since it uses less digits than its factorization.

82554445529 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 456102090.

The product of its digits is 11520000, while the sum is 53.

Subtracting 82554445529 from its reverse (92554445528), we obtain a palindrome (9999999999).

The spelling of 82554445529 in words is "eighty-two billion, five hundred fifty-four million, four hundred forty-five thousand, five hundred twenty-nine".