63530055 has 16 divisors (see below), whose sum is σ = 112942560. Its totient is φ = 33882624.

The previous prime is 63530023. The next prime is 63530057. The reversal of 63530055 is 55003536.

It is a happy number.

63530055 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 63530055 - 2⁵ = 63530023 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63530057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 235162 + ... + 235431.

It is an arithmetic number, because the mean of its divisors is an integer number (7058910).

Almost surely, 2^63530055 is an apocalyptic number.

63530055 is a deficient number, since it is larger than the sum of its proper divisors (49412505).

63530055 is a wasteful number, since it uses less digits than its factorization.

63530055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 470607 (or 470601 counting only the distinct ones).

The product of its (nonzero) digits is 6750, while the sum is 27.

The square root of 63530055 is about 7970.5743205869. The cubic root of 63530055 is about 399.0185417354.

The spelling of 63530055 in words is "sixty-three million, five hundred thirty thousand, fifty-five".