63530056 has 8 divisors (see below), whose sum is σ = 119118870. Its totient is φ = 31765024.

The previous prime is 63530023. The next prime is 63530057. The reversal of 63530056 is 65003536.

It can be written as a sum of positive squares in only one way, i.e., 63457156 + 72900 = 7966^2 + 270^2 .

It is a tau number, because it is divible by the number of its divisors (8).

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 (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3970621 + ... + 3970636.

Almost surely, 2^63530056 is an apocalyptic number.

It is an amenable number.

63530056 is a deficient number, since it is larger than the sum of its proper divisors (55588814).

63530056 is a wasteful number, since it uses less digits than its factorization.

63530056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7941263 (or 7941259 counting only the distinct ones).

The product of its (nonzero) digits is 8100, while the sum is 28.

The square root of 63530056 is about 7970.5743833177. The cubic root of 63530056 is about 399.0185438290.

The spelling of 63530056 in words is "sixty-three million, five hundred thirty thousand, fifty-six".