555055554989 has 16 divisors (see below), whose sum is σ = 609268598400. Its totient is φ = 502527295296.

The previous prime is 555055554947. The next prime is 555055555051. The reversal of 555055554989 is 989455550555.

555055554989 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a de Polignac number, because none of the positive numbers 2^k-555055554989 is a prime.

It is a Smith number, since the sum of its digits (65) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (555055554919) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 487514 + ... + 1160939.

It is an arithmetic number, because the mean of its divisors is an integer number (38079287400).

Almost surely, 2^555055554989 is an apocalyptic number.

555055554989 is a gapful number since it is divisible by the number (59) formed by its first and last digit.

It is an amenable number.

555055554989 is a deficient number, since it is larger than the sum of its proper divisors (54213043411).

555055554989 is a wasteful number, since it uses less digits than its factorization.

555055554989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1648964.

The product of its (nonzero) digits is 202500000, while the sum is 65.

The spelling of 555055554989 in words is "five hundred fifty-five billion, fifty-five million, five hundred fifty-four thousand, nine hundred eighty-nine".