563445513405550 has 48 divisors (see below), whose sum is σ = 1056077122006080. Its totient is φ = 223646843871360.

The previous prime is 563445513405497. The next prime is 563445513405557. The reversal of 563445513405550 is 55504315544365.

It is a junction number, because it is equal to n+sod(n) for n = 563445513405491 and 563445513405500.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (563445513405557) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 41466070 + ... + 53350969.

It is an arithmetic number, because the mean of its divisors is an integer number (22001606708460).

Almost surely, 2^{563445513405550} is an apocalyptic number.

563445513405550 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

563445513405550 is a deficient number, since it is larger than the sum of its proper divisors (492631608600530).

563445513405550 is a wasteful number, since it uses less digits than its factorization.

563445513405550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94817965 (or 94817960 counting only the distinct ones).

The product of its (nonzero) digits is 54000000, while the sum is 55.

The spelling of 563445513405550 in words is "five hundred sixty-three trillion, four hundred forty-five billion, five hundred thirteen million, four hundred five thousand, five hundred fifty".