63563120 has 40 divisors (see below), whose sum is σ = 151396560. Its totient is φ = 24803840.

The previous prime is 63563111. The next prime is 63563131. The reversal of 63563120 is 2136536.

It is a tau number, because it is divible by the number of its divisors (40).

It is a self number, because there is not a number n which added to its sum of digits gives 63563120.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6410 + ... + 12969.

It is an arithmetic number, because the mean of its divisors is an integer number (3784914).

Almost surely, 2^63563120 is an apocalyptic number.

It is an amenable number.

63563120 is an abundant number, since it is smaller than the sum of its proper divisors (87833440).

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

63563120 is a wasteful number, since it uses less digits than its factorization.

63563120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19433 (or 19427 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 26.

The square root of 63563120 is about 7972.6482425854. The cubic root of 63563120 is about 399.0877544350.

Adding to 63563120 its reverse (2136536), we get a palindrome (65699656).

The spelling of 63563120 in words is "sixty-three million, five hundred sixty-three thousand, one hundred twenty".