65564268 has 48 divisors (see below), whose sum is σ = 190735104. Its totient is φ = 17029440.

The previous prime is 65564267. The next prime is 65564297. The reversal of 65564268 is 86246556.

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is not an unprimeable number, because it can be changed into a prime (65564267) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34555 + ... + 36402.

It is an arithmetic number, because the mean of its divisors is an integer number (3973648).

Almost surely, 2^65564268 is an apocalyptic number.

It is an amenable number.

65564268 is an abundant number, since it is smaller than the sum of its proper divisors (125170836).

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

65564268 is a wasteful number, since it uses less digits than its factorization.

65564268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70982 (or 70980 counting only the distinct ones).

The product of its digits is 345600, while the sum is 42.

The square root of 65564268 is about 8097.1765449445. The cubic root of 65564268 is about 403.2326954858.

The spelling of 65564268 in words is "sixty-five million, five hundred sixty-four thousand, two hundred sixty-eight".