63669056 has 28 divisors (see below), whose sum is σ = 137830560. Its totient is φ = 28940160.

The previous prime is 63669049. The next prime is 63669061. The reversal of 63669056 is 65096636.

It is a super-2 number, since 2×63669056² = 8107497383862272, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 44516 + ... + 45923.

It is an arithmetic number, because the mean of its divisors is an integer number (4922520).

Almost surely, 2^63669056 is an apocalyptic number.

It is an amenable number.

63669056 is an abundant number, since it is smaller than the sum of its proper divisors (74161504).

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

63669056 is a wasteful number, since it uses less digits than its factorization.

63669056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90462 (or 90452 counting only the distinct ones).

The product of its (nonzero) digits is 174960, while the sum is 41.

The square root of 63669056 is about 7979.2891914004. The cubic root of 63669056 is about 399.3093414968.

The spelling of 63669056 in words is "sixty-three million, six hundred sixty-nine thousand, fifty-six".