63205055 has 16 divisors (see below), whose sum is σ = 78170400. Its totient is φ = 49031808.

The previous prime is 63205033. The next prime is 63205057. The reversal of 63205055 is 55050236.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-63205055 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63205057) by changing a digit.

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, 31049 + ... + 33021.

It is an arithmetic number, because the mean of its divisors is an integer number (4885650).

Almost surely, 2^63205055 is an apocalyptic number.

63205055 is a deficient number, since it is larger than the sum of its proper divisors (14965345).

63205055 is a wasteful number, since it uses less digits than its factorization.

63205055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2170.

The product of its (nonzero) digits is 4500, while the sum is 26.

The square root of 63205055 is about 7950.1606901999. The cubic root of 63205055 is about 398.3369599097.

The spelling of 63205055 in words is "sixty-three million, two hundred five thousand, fifty-five".