65553216 has 28 divisors (see below), whose sum is σ = 173443392. Its totient is φ = 21851008.

The previous prime is 65553193. The next prime is 65553259. The reversal of 65553216 is 61235556.

It is a congruent number.

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, 170520 + ... + 170903.

Almost surely, 2^65553216 is an apocalyptic number.

It is an amenable number.

65553216 is an abundant number, since it is smaller than the sum of its proper divisors (107890176).

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

65553216 is a wasteful number, since it uses less digits than its factorization.

65553216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 341438 (or 341428 counting only the distinct ones).

The product of its digits is 27000, while the sum is 33.

The square root of 65553216 is about 8096.4940560714. The cubic root of 65553216 is about 403.2100369132.

The spelling of 65553216 in words is "sixty-five million, five hundred fifty-three thousand, two hundred sixteen".