5555115556 has 48 divisors (see below), whose sum is σ = 10278438912. Its totient is φ = 2623104000.

The previous prime is 5555115539. The next prime is 5555115569. The reversal of 5555115556 is 6555115555.

It is a Smith number, since the sum of its digits (43) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2335840 + ... + 2338216.

It is an arithmetic number, because the mean of its divisors is an integer number (214134144).

Almost surely, 2^5555115556 is an apocalyptic number.

It is an amenable number.

5555115556 is a deficient number, since it is larger than the sum of its proper divisors (4723323356).

5555115556 is a wasteful number, since it uses less digits than its factorization.

5555115556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2860 (or 2858 counting only the distinct ones).

The product of its digits is 468750, while the sum is 43.

The square root of 5555115556 is about 74532.6475848000. The cubic root of 5555115556 is about 1771.0508571401.

Subtracting 5555115556 from its reverse (6555115555), we obtain a palindrome (999999999).

The spelling of 5555115556 in words is "five billion, five hundred fifty-five million, one hundred fifteen thousand, five hundred fifty-six".