550006005561 has 8 divisors (see below), whose sum is σ = 733345064544. Its totient is φ = 366668808480.

The previous prime is 550006005511. The next prime is 550006005569. The reversal of 550006005561 is 165500600055.

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

It is not a de Polignac number, because 550006005561 - 2⁷ = 550006005433 is a prime.

It is not an unprimeable number, because it can be changed into a prime (550006005569) 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, 524701 + ... + 1172741.

It is an arithmetic number, because the mean of its divisors is an integer number (91668133068).

Almost surely, 2^550006005561 is an apocalyptic number.

It is an amenable number.

550006005561 is a deficient number, since it is larger than the sum of its proper divisors (183339058983).

550006005561 is a wasteful number, since it uses less digits than its factorization.

550006005561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 930951.

The product of its (nonzero) digits is 22500, while the sum is 33.

The spelling of 550006005561 in words is "five hundred fifty billion, six million, five thousand, five hundred sixty-one".