63553964 has 24 divisors (see below), whose sum is σ = 117512640. Its totient is φ = 30025856.

The previous prime is 63553961. The next prime is 63553979. The reversal of 63553964 is 46935536.

63553964 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 2×63553964² = 8078212680226592, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (63553961) 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, 377 + ... + 11280.

It is an arithmetic number, because the mean of its divisors is an integer number (4896360).

Almost surely, 2^63553964 is an apocalyptic number.

It is an amenable number.

63553964 is a deficient number, since it is larger than the sum of its proper divisors (53958676).

63553964 is a wasteful number, since it uses less digits than its factorization.

63553964 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11737 (or 11735 counting only the distinct ones).

The product of its digits is 291600, while the sum is 41.

The square root of 63553964 is about 7972.0740086881. The cubic root of 63553964 is about 399.0685912109.

The spelling of 63553964 in words is "sixty-three million, five hundred fifty-three thousand, nine hundred sixty-four".