8555555552 has 24 divisors (see below), whose sum is σ = 16929263736. Its totient is φ = 4256060032.

The previous prime is 8555555539. The next prime is 8555555563. The reversal of 8555555552 is 2555555558.

It is a nialpdrome in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 8555555552.

It is a congruent number.

It is an unprimeable number.

It is an upside-down number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 672278 + ... + 684885.

It is an arithmetic number, because the mean of its divisors is an integer number (705385989).

Almost surely, 2^8555555552 is an apocalyptic number.

It is an amenable number.

8555555552 is a deficient number, since it is larger than the sum of its proper divisors (8373708184).

8555555552 is a wasteful number, since it uses less digits than its factorization.

8555555552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1357370 (or 1357362 counting only the distinct ones).

The product of its digits is 6250000, while the sum is 50.

The square root of 8555555552 is about 92496.2461508574. The cubic root of 8555555552 is about 2045.2641462707.

The spelling of 8555555552 in words is "eight billion, five hundred fifty-five million, five hundred fifty-five thousand, five hundred fifty-two".