63545516 has 12 divisors (see below), whose sum is σ = 113303232. Its totient is φ = 31173168.

The previous prime is 63545501. The next prime is 63545549. The reversal of 63545516 is 61554536.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 149660 + ... + 150083.

It is an arithmetic number, because the mean of its divisors is an integer number (9441936).

Almost surely, 2^63545516 is an apocalyptic number.

It is an amenable number.

63545516 is a deficient number, since it is larger than the sum of its proper divisors (49757716).

63545516 is a wasteful number, since it uses less digits than its factorization.

63545516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 299800 (or 299798 counting only the distinct ones).

The product of its digits is 54000, while the sum is 35.

The square root of 63545516 is about 7971.5441415073. The cubic root of 63545516 is about 399.0509081762.

The spelling of 63545516 in words is "sixty-three million, five hundred forty-five thousand, five hundred sixteen".