550551055559 has 8 divisors (see below), whose sum is σ = 556685503920. Its totient is φ = 544450593600.

The previous prime is 550551055547. The next prime is 550551055589. The reversal of 550551055559 is 955550155055.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 550551055559 - 2⁴ = 550551055543 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (550551055529) 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 7 ways as a sum of consecutive naturals, for example, 8464022 + ... + 8528819.

It is an arithmetic number, because the mean of its divisors is an integer number (69585687990).

Almost surely, 2^550551055559 is an apocalyptic number.

550551055559 is a deficient number, since it is larger than the sum of its proper divisors (6134448361).

550551055559 is a wasteful number, since it uses less digits than its factorization.

550551055559 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16993201.

The product of its (nonzero) digits is 3515625, while the sum is 50.

The spelling of 550551055559 in words is "five hundred fifty billion, five hundred fifty-one million, fifty-five thousand, five hundred fifty-nine".