550505045505 has 16 divisors (see below), whose sum is σ = 889528947264. Its totient is φ = 290695732800.

The previous prime is 550505045501. The next prime is 550505045509. The reversal of 550505045505 is 505540505055.

It is an interprime number because it is at equal distance from previous prime (550505045501) and next prime (550505045509).

It is not a de Polignac number, because 550505045505 - 2² = 550505045501 is a prime.

It is not an unprimeable number, because it can be changed into a prime (550505045501) by changing a digit.

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, 181683319 + ... + 181686348.

It is an arithmetic number, because the mean of its divisors is an integer number (55595559204).

Almost surely, 2^550505045505 is an apocalyptic number.

It is an amenable number.

550505045505 is a deficient number, since it is larger than the sum of its proper divisors (339023901759).

550505045505 is a wasteful number, since it uses less digits than its factorization.

550505045505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 363369776.

The product of its (nonzero) digits is 312500, while the sum is 39.

It can be divided in two parts, 5505050 and 45505, that added together give a palindrome (5550555).

The spelling of 550505045505 in words is "five hundred fifty billion, five hundred five million, forty-five thousand, five hundred five".