550000000565 has 16 divisors (see below), whose sum is σ = 662600366208.
Its totient is φ = 438266884416.
The previous prime is 550000000499. The next prime is 550000000577. The reversal of 550000000565 is 565000000055.
It is a cyclic number.
It is not a de Polignac number, because 550000000565 - 210 = 549999999541 is a prime.
It is a Duffinian number.
It is a congruent number.
It is an unprimeable number.
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 15 ways as a sum of consecutive naturals, for example, 11249102 + ... + 11297888.
It is an arithmetic number, because the mean of its divisors is an integer number (41412522888).
Almost surely, 2550000000565 is an apocalyptic number.
It is an amenable number.
550000000565 is a deficient number, since it is larger than the sum of its proper divisors (112600365643).
550000000565 is a wasteful number, since it uses less digits than its factorization.
550000000565 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 57628.
The product of its (nonzero) digits is 3750, while the sum is 26.
The spelling of 550000000565 in words is "five hundred fifty billion, five hundred sixty-five", and thus it is an aban number.