555555588 has 96 divisors (see below), whose sum is σ = 1538654208. Its totient is φ = 152668800.

The previous prime is 555555587. The next prime is 555555599. The reversal of 555555588 is 885555555.

It is a super-2 number, since 2×555555588² = 617284022716051488, which contains 22 as substring.

It is a plaindrome in base 10.

It is a zygodrome in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 555555588.

It is not an unprimeable number, because it can be changed into a prime (555555587) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 496806 + ... + 497922.

It is an arithmetic number, because the mean of its divisors is an integer number (16027648).

Almost surely, 2^555555588 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 555555588, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (769327104).

555555588 is an abundant number, since it is smaller than the sum of its proper divisors (983098620).

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

555555588 is a wasteful number, since it uses less digits than its factorization.

555555588 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1353 (or 1351 counting only the distinct ones).

The product of its digits is 5000000, while the sum is 51.

The square root of 555555588 is about 23570.2267278022. The cubic root of 555555588 is about 822.0707074465.

The spelling of 555555588 in words is "five hundred fifty-five million, five hundred fifty-five thousand, five hundred eighty-eight".