85555255558 has 8 divisors (see below), whose sum is σ = 131317369128. Its totient is φ = 41782799184.

The previous prime is 85555255523. The next prime is 85555255559.

85555255558 is nontrivially palindromic in base 10.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-3 number, since 3×85555255558³ (a number of 34 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85555255559) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 497414191 + ... + 497414362.

It is an arithmetic number, because the mean of its divisors is an integer number (16414671141).

Almost surely, 2^85555255558 is an apocalyptic number.

85555255558 is a deficient number, since it is larger than the sum of its proper divisors (45762113570).

85555255558 is a wasteful number, since it uses less digits than its factorization.

85555255558 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 994828598.

The product of its digits is 50000000, while the sum is 58.

The spelling of 85555255558 in words is "eighty-five billion, five hundred fifty-five million, two hundred fifty-five thousand, five hundred fifty-eight".