63551012 has 24 divisors (see below), whose sum is σ = 128037504. Its totient is φ = 27035712.

The previous prime is 63551009. The next prime is 63551017. The reversal of 63551012 is 21015536.

63551012 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×63551012² = 8077462252448288, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (63551017) 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 7 ways as a sum of consecutive naturals, for example, 4448 + ... + 12119.

It is an arithmetic number, because the mean of its divisors is an integer number (5334896).

Almost surely, 2^63551012 is an apocalyptic number.

It is an amenable number.

63551012 is an abundant number, since it is smaller than the sum of its proper divisors (64486492).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

63551012 is a wasteful number, since it uses less digits than its factorization.

63551012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16715 (or 16713 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 23.

The square root of 63551012 is about 7971.8888602388. Note that the first 4 decimals coincide. The cubic root of 63551012 is about 399.0624123740.

Adding to 63551012 its reverse (21015536), we get a palindrome (84566548).

The spelling of 63551012 in words is "sixty-three million, five hundred fifty-one thousand, twelve".