555555055 has 16 divisors (see below), whose sum is σ = 744188544. Its totient is φ = 394642080.

The previous prime is 555555031. The next prime is 555555067. The reversal of 555555055 is 550555555.

555555055 = 9620² + 9621² + ... + 9625².

555555055 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 555555055 - 2¹⁵ = 555522287 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 555554999 and 555555017.

It is a congruent number.

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, 115089 + ... + 119818.

It is an arithmetic number, because the mean of its divisors is an integer number (46511784).

Almost surely, 2^555555055 is an apocalyptic number.

555555055 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

555555055 is a deficient number, since it is larger than the sum of its proper divisors (188633489).

555555055 is a wasteful number, since it uses less digits than its factorization.

555555055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 234966.

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

The square root of 555555055 is about 23570.2154211624. The cubic root of 555555055 is about 822.0704445482.

The spelling of 555555055 in words is "five hundred fifty-five million, five hundred fifty-five thousand, fifty-five".