85504440558 has 16 divisors (see below), whose sum is σ = 181068227280. Its totient is φ = 26824922496.

The previous prime is 85504440557. The next prime is 85504440577.

85504440558 is nontrivially palindromic in base 10.

It is a super-3 number, since 3×85504440558³ (a number of 34 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85504440557) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 419139313 + ... + 419139516.

It is an arithmetic number, because the mean of its divisors is an integer number (11316764205).

Almost surely, 2^85504440558 is an apocalyptic number.

85504440558 is an abundant number, since it is smaller than the sum of its proper divisors (95563786722).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

85504440558 is a wasteful number, since it uses less digits than its factorization.

85504440558 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 838278851.

The product of its (nonzero) digits is 2560000, while the sum is 48.

The spelling of 85504440558 in words is "eighty-five billion, five hundred four million, four hundred forty thousand, five hundred fifty-eight".