65552163 has 4 divisors (see below), whose sum is σ = 87402888. Its totient is φ = 43701440.

The previous prime is 65552161. The next prime is 65552177. The reversal of 65552163 is 36125556.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 65552163 - 2¹ = 65552161 is a prime.

It is not an unprimeable number, because it can be changed into a prime (65552161) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10925358 + ... + 10925363.

It is an arithmetic number, because the mean of its divisors is an integer number (21850722).

Almost surely, 2^65552163 is an apocalyptic number.

65552163 is a deficient number, since it is larger than the sum of its proper divisors (21850725).

65552163 is a wasteful number, since it uses less digits than its factorization.

65552163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21850724.

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

The square root of 65552163 is about 8096.4290276640. The cubic root of 65552163 is about 403.2078779423.

The spelling of 65552163 in words is "sixty-five million, five hundred fifty-two thousand, one hundred sixty-three".