65553268 has 36 divisors (see below), whose sum is σ = 132112512. Its totient is φ = 28221840.

The previous prime is 65553263. The next prime is 65553277. The reversal of 65553268 is 86235556.

65553268 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 65553268.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65553263) 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 11 ways as a sum of consecutive naturals, for example, 13821 + ... + 17947.

It is an arithmetic number, because the mean of its divisors is an integer number (3669792).

Almost surely, 2^65553268 is an apocalyptic number.

It is an amenable number.

65553268 is an abundant number, since it is smaller than the sum of its proper divisors (66559244).

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

65553268 is a wasteful number, since it uses less digits than its factorization.

65553268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4180 (or 4159 counting only the distinct ones).

The product of its digits is 216000, while the sum is 40.

The square root of 65553268 is about 8096.4972673373. The cubic root of 65553268 is about 403.2101435284.

The spelling of 65553268 in words is "sixty-five million, five hundred fifty-three thousand, two hundred sixty-eight".