550005500555 has 32 divisors (see below), whose sum is σ = 757665792000. Its totient is φ = 375461275392.

The previous prime is 550005500521. The next prime is 550005500581. The reversal of 550005500555 is 555005500055.

It is a de Polignac number, because none of the positive numbers 2^k-550005500555 is a prime.

It is a super-2 number, since 2×550005500555² (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 zygodrome in base 10.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 38881814 + ... + 38895956.

It is an arithmetic number, because the mean of its divisors is an integer number (23677056000).

Almost surely, 2^550005500555 is an apocalyptic number.

550005500555 is a deficient number, since it is larger than the sum of its proper divisors (207660291445).

550005500555 is a wasteful number, since it uses less digits than its factorization.

550005500555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19043.

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

It can be divided in two parts, 55000 and 5500555, that added together give a palindrome (5555555).

The spelling of 550005500555 in words is "five hundred fifty billion, five million, five hundred thousand, five hundred fifty-five".