550616605559 has 4 divisors (see below), whose sum is σ = 550929635520. Its totient is φ = 550303575600.

The previous prime is 550616605541. The next prime is 550616605573. The reversal of 550616605559 is 955506616055.

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

It is a cyclic number.

It is not a de Polignac number, because 550616605559 - 2⁸ = 550616605303 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 550616605559.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (550616635559) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 156512342 + ... + 156515859.

It is an arithmetic number, because the mean of its divisors is an integer number (137732408880).

Almost surely, 2^550616605559 is an apocalyptic number.

550616605559 is a deficient number, since it is larger than the sum of its proper divisors (313029961).

550616605559 is a wasteful number, since it uses less digits than its factorization.

550616605559 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 313029960.

The product of its (nonzero) digits is 6075000, while the sum is 53.

The spelling of 550616605559 in words is "five hundred fifty billion, six hundred sixteen million, six hundred five thousand, five hundred fifty-nine".