550087959668 has 12 divisors (see below), whose sum is σ = 1036704231780. Its totient is φ = 253886750592.

The previous prime is 550087959667. The next prime is 550087959677. The reversal of 550087959668 is 866959780055.

It can be written as a sum of positive squares in 2 ways, for example, as 39003090064 + 511084869604 = 197492^2 + 714902^2 .

It is a junction number, because it is equal to n+sod(n) for n = 550087959598 and 550087959607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (550087959667) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5289307253 + ... + 5289307356.

It is an arithmetic number, because the mean of its divisors is an integer number (86392019315).

Almost surely, 2^550087959668 is an apocalyptic number.

It is an amenable number.

550087959668 is a deficient number, since it is larger than the sum of its proper divisors (486616272112).

550087959668 is a wasteful number, since it uses less digits than its factorization.

550087959668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10578614626 (or 10578614624 counting only the distinct ones).

The product of its (nonzero) digits is 163296000, while the sum is 68.

The spelling of 550087959668 in words is "five hundred fifty billion, eighty-seven million, nine hundred fifty-nine thousand, six hundred sixty-eight".