566445218550 has 48 divisors (see below), whose sum is σ = 1407129580800. Its totient is φ = 150799860640.

The previous prime is 566445218467. The next prime is 566445218551. The reversal of 566445218550 is 55812544665.

It is a junction number, because it is equal to n+sod(n) for n = 566445218493 and 566445218502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (566445218551) 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 23 ways as a sum of consecutive naturals, for example, 3062322 + ... + 3242021.

It is an arithmetic number, because the mean of its divisors is an integer number (29315199600).

Almost surely, 2^566445218550 is an apocalyptic number.

566445218550 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

566445218550 is an abundant number, since it is smaller than the sum of its proper divisors (840684362250).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

566445218550 is a wasteful number, since it uses less digits than its factorization.

566445218550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6304957 (or 6304952 counting only the distinct ones).

The product of its (nonzero) digits is 5760000, while the sum is 51.

The spelling of 566445218550 in words is "five hundred sixty-six billion, four hundred forty-five million, two hundred eighteen thousand, five hundred fifty".