563205055 has 16 divisors (see below), whose sum is σ = 797313024. Its totient is φ = 373739040.

The previous prime is 563205043. The next prime is 563205077. The reversal of 563205055 is 550502365.

It is not a de Polignac number, because 563205055 - 2⁵ = 563205023 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31).

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 (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 258457 + ... + 260626.

It is an arithmetic number, because the mean of its divisors is an integer number (49832064).

Almost surely, 2^563205055 is an apocalyptic number.

563205055 is a deficient number, since it is larger than the sum of its proper divisors (234107969).

563205055 is a wasteful number, since it uses less digits than its factorization.

563205055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 519126.

The product of its (nonzero) digits is 22500, while the sum is 31.

The square root of 563205055 is about 23731.9416609767. The cubic root of 563205055 is about 825.8265630850.

The spelling of 563205055 in words is "five hundred sixty-three million, two hundred five thousand, fifty-five".