5558448555 has 64 divisors (see below), whose sum is σ = 10862691840. Its totient is φ = 2674339200.

The previous prime is 5558448551. The next prime is 5558448557.

It is a happy number.

5558448555 is a `hidden beast` number, since 5 + 5 + 5 + 84 + 4 + 8 + 555 = 666.

5558448555 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 5558448555 - 2² = 5558448551 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5558448551) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 180249 + ... + 208821.

It is an arithmetic number, because the mean of its divisors is an integer number (169729560).

Almost surely, 2^5558448555 is an apocalyptic number.

5558448555 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

5558448555 is a deficient number, since it is larger than the sum of its proper divisors (5304243285).

5558448555 is a wasteful number, since it uses less digits than its factorization.

5558448555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28729 (or 28723 counting only the distinct ones).

The product of its digits is 16000000, while the sum is 54.

The square root of 5558448555 is about 74555.0035544228. The cubic root of 5558448555 is about 1771.4049890216.

The spelling of 5558448555 in words is "five billion, five hundred fifty-eight million, four hundred forty-eight thousand, five hundred fifty-five".