63381055 has 16 divisors (see below), whose sum is σ = 80258400. Its totient is φ = 47917440.

The previous prime is 63381053. The next prime is 63381067. The reversal of 63381055 is 55018336.

It is not a de Polignac number, because 63381055 - 2¹ = 63381053 is a prime.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63381053) 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, 66885 + ... + 67825.

It is an arithmetic number, because the mean of its divisors is an integer number (5016150).

Almost surely, 2^63381055 is an apocalyptic number.

63381055 is a deficient number, since it is larger than the sum of its proper divisors (16877345).

63381055 is a wasteful number, since it uses less digits than its factorization.

63381055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1674.

The product of its (nonzero) digits is 10800, while the sum is 31.

The square root of 63381055 is about 7961.2219539465. The cubic root of 63381055 is about 398.7063519471.

The spelling of 63381055 in words is "sixty-three million, three hundred eighty-one thousand, fifty-five".