555945549555 has 64 divisors (see below), whose sum is σ = 1001942323200. Its totient is φ = 260785958400.

The previous prime is 555945549503. The next prime is 555945549557.

555945549555 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 555945549555 - 2¹² = 555945545459 is a prime.

It is not an unprimeable number, because it can be changed into a prime (555945549557) 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, 23256189 + ... + 23280081.

It is an arithmetic number, because the mean of its divisors is an integer number (15655348800).

Almost surely, 2^555945549555 is an apocalyptic number.

555945549555 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

555945549555 is a deficient number, since it is larger than the sum of its proper divisors (445996773645).

555945549555 is a wasteful number, since it uses less digits than its factorization.

555945549555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28492.

The product of its digits is 506250000, while the sum is 66.

The spelling of 555945549555 in words is "five hundred fifty-five billion, nine hundred forty-five million, five hundred forty-nine thousand, five hundred fifty-five".