550000555055 has 16 divisors (see below), whose sum is σ = 762062629440. Its totient is φ = 373255160832.

The previous prime is 550000555051. The next prime is 550000555063. The reversal of 550000555055 is 550555000055.

It is a cyclic number.

It is not a de Polignac number, because 550000555055 - 2² = 550000555051 is a prime.

It is a super-2 number, since 2×550000555055² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (550000555051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 80998160 + ... + 81004949.

It is an arithmetic number, because the mean of its divisors is an integer number (47628914340).

Almost surely, 2^550000555055 is an apocalyptic number.

550000555055 is a deficient number, since it is larger than the sum of its proper divisors (212062074385).

550000555055 is a wasteful number, since it uses less digits than its factorization.

550000555055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162003218.

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

The spelling of 550000555055 in words is "five hundred fifty billion, five hundred fifty-five thousand, fifty-five".