550083387505 has 4 divisors (see below), whose sum is σ = 660100065012. Its totient is φ = 440066710000.

The previous prime is 550083387449. The next prime is 550083387521. The reversal of 550083387505 is 505783380055.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 326471676129 + 223611711376 = 571377^2 + 472876^2 .

It is not a de Polignac number, because 550083387505 - 2¹¹ = 550083385457 is a prime.

It is a Duffinian 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 3 ways as a sum of consecutive naturals, for example, 55008338746 + ... + 55008338755.

It is an arithmetic number, because the mean of its divisors is an integer number (165025016253).

Almost surely, 2^550083387505 is an apocalyptic number.

It is an amenable number.

550083387505 is a deficient number, since it is larger than the sum of its proper divisors (110016677507).

550083387505 is a wasteful number, since it uses less digits than its factorization.

550083387505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110016677506.

The product of its (nonzero) digits is 2520000, while the sum is 49.

The spelling of 550083387505 in words is "five hundred fifty billion, eighty-three million, three hundred eighty-seven thousand, five hundred five".