63281055 has 16 divisors (see below), whose sum is σ = 107205984. Its totient is φ = 31764480.

The previous prime is 63281051. The next prime is 63281059. The reversal of 63281055 is 55018236.

It is an interprime number because it is at equal distance from previous prime (63281051) and next prime (63281059).

It is not a de Polignac number, because 63281055 - 2² = 63281051 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63281051) 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, 123826 + ... + 124335.

It is an arithmetic number, because the mean of its divisors is an integer number (6700374).

Almost surely, 2^63281055 is an apocalyptic number.

63281055 is a deficient number, since it is larger than the sum of its proper divisors (43924929).

63281055 is a wasteful number, since it uses less digits than its factorization.

63281055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 248186.

The product of its (nonzero) digits is 7200, while the sum is 30.

The square root of 63281055 is about 7954.9390318217. The cubic root of 63281055 is about 398.4965541227.

The spelling of 63281055 in words is "sixty-three million, two hundred eighty-one thousand, fifty-five".