555550055 has 16 divisors (see below), whose sum is σ = 708930144. Its totient is φ = 416486400.

The previous prime is 555550043. The next prime is 555550087. The reversal of 555550055 is 550055555.

It is not a de Polignac number, because 555550055 - 2⁶ = 555549991 is a prime.

It is a super-2 number, since 2×555550055² = 617271727221006050, which contains 22 as substring.

It is a Duffinian number.

It is a zygodrome in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 555549997 and 555550024.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5780 + ... + 33830.

It is an arithmetic number, because the mean of its divisors is an integer number (44308134).

Almost surely, 2^555550055 is an apocalyptic number.

555550055 is a deficient number, since it is larger than the sum of its proper divisors (153380089).

555550055 is a wasteful number, since it uses less digits than its factorization.

555550055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28306.

The product of its (nonzero) digits is 78125, while the sum is 35.

The square root of 555550055 is about 23570.1093548588. The cubic root of 555550055 is about 822.0679783272.

It can be divided in two parts, 5555500 and 55, that added together give a palindrome (5555555).

The spelling of 555550055 in words is "five hundred fifty-five million, five hundred fifty thousand, fifty-five".