63554216 has 32 divisors (see below), whose sum is σ = 134196480. Its totient is φ = 27955200.

The previous prime is 63554203. The next prime is 63554233. The reversal of 63554216 is 61245536.

It is a super-4 number, since 4×63554216⁴ (a number of 32 digits) contains 4444 as substring.

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, 8921 + ... + 14376.

It is an arithmetic number, because the mean of its divisors is an integer number (4193640).

Almost surely, 2^63554216 is an apocalyptic number.

It is an amenable number.

63554216 is an abundant number, since it is smaller than the sum of its proper divisors (70642264).

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

63554216 is a wasteful number, since it uses less digits than its factorization.

63554216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23345 (or 23341 counting only the distinct ones).

The product of its digits is 21600, while the sum is 32.

The square root of 63554216 is about 7972.0898138443. The cubic root of 63554216 is about 399.0691186637.

The spelling of 63554216 in words is "sixty-three million, five hundred fifty-four thousand, two hundred sixteen".