555005505055 has 4 divisors (see below), whose sum is σ = 666006606072. Its totient is φ = 444004404040.

The previous prime is 555005505031. The next prime is 555005505071. The reversal of 555005505055 is 550505500555.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 555005505055 - 2⁵ = 555005505023 is a prime.

It is a super-2 number, since 2×555005505055² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 555005504999 and 555005505017.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55500550501 + ... + 55500550510.

It is an arithmetic number, because the mean of its divisors is an integer number (166501651518).

Almost surely, 2^555005505055 is an apocalyptic number.

555005505055 is a deficient number, since it is larger than the sum of its proper divisors (111001101017).

555005505055 is a wasteful number, since it uses less digits than its factorization.

555005505055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111001101016.

The product of its (nonzero) digits is 390625, while the sum is 40.

The spelling of 555005505055 in words is "five hundred fifty-five billion, five million, five hundred five thousand, fifty-five".