550050560861 has 4 divisors (see below), whose sum is σ = 579000590400. Its totient is φ = 521100531324.

The previous prime is 550050560837. The next prime is 550050560921. The reversal of 550050560861 is 168065050055.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 550050560861 - 2¹⁰ = 550050559837 is a prime.

It is a super-2 number, since 2×550050560861² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (550050560261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14475014741 + ... + 14475014778.

It is an arithmetic number, because the mean of its divisors is an integer number (144750147600).

Almost surely, 2^550050560861 is an apocalyptic number.

It is an amenable number.

550050560861 is a deficient number, since it is larger than the sum of its proper divisors (28950029539).

550050560861 is a wasteful number, since it uses less digits than its factorization.

550050560861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28950029538.

The product of its (nonzero) digits is 180000, while the sum is 41.

The spelling of 550050560861 in words is "five hundred fifty billion, fifty million, five hundred sixty thousand, eight hundred sixty-one".