8555225558 has 64 divisors (see below), whose sum is σ = 14871306240. Its totient is φ = 3654720000.

The previous prime is 8555225531. The next prime is 8555225561.

8555225558 is nontrivially palindromic in base 10.

It is a super-3 number, since 3×8555225558³ (a number of 31 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7577138 + ... + 7578266.

It is an arithmetic number, because the mean of its divisors is an integer number (232364160).

Almost surely, 2^8555225558 is an apocalyptic number.

8555225558 is a deficient number, since it is larger than the sum of its proper divisors (6316080682).

8555225558 is a wasteful number, since it uses less digits than its factorization.

8555225558 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1485.

The product of its digits is 4000000, while the sum is 50.

The square root of 8555225558 is about 92494.4623099135. The cubic root of 8555225558 is about 2045.2378501574.

The spelling of 8555225558 in words is "eight billion, five hundred fifty-five million, two hundred twenty-five thousand, five hundred fifty-eight".