5665105500550 has 24 divisors (see below), whose sum is σ = 10537271609400. Its totient is φ = 2266004484480.

The previous prime is 5665105500541. The next prime is 5665105500553. The reversal of 5665105500550 is 550055015665.

It is a junction number, because it is equal to n+sod(n) for n = 5665105500497 and 5665105500506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5665105500553) 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 11 ways as a sum of consecutive naturals, for example, 2194621 + ... + 4018279.

It is an arithmetic number, because the mean of its divisors is an integer number (439052983725).

Almost surely, 2^{5665105500550} is an apocalyptic number.

5665105500550 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

5665105500550 is a deficient number, since it is larger than the sum of its proper divisors (4872166108850).

5665105500550 is a wasteful number, since it uses less digits than its factorization.

5665105500550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1885800 (or 1885795 counting only the distinct ones).

The product of its (nonzero) digits is 562500, while the sum is 43.

The spelling of 5665105500550 in words is "five trillion, six hundred sixty-five billion, one hundred five million, five hundred thousand, five hundred fifty".