65550323 has 4 divisors (see below), whose sum is σ = 69000360. Its totient is φ = 62100288.

The previous prime is 65550319. The next prime is 65550389. The reversal of 65550323 is 32305556.

It is a happy number.

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 65550323 - 2² = 65550319 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (65580323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1724990 + ... + 1725027.

It is an arithmetic number, because the mean of its divisors is an integer number (17250090).

Almost surely, 2^65550323 is an apocalyptic number.

65550323 is a deficient number, since it is larger than the sum of its proper divisors (3450037).

65550323 is a wasteful number, since it uses less digits than its factorization.

65550323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3450036.

The product of its (nonzero) digits is 13500, while the sum is 29.

The square root of 65550323 is about 8096.3153965245. The cubic root of 65550323 is about 403.2041053262.

Adding to 65550323 its reverse (32305556), we get a palindrome (97855879).

The spelling of 65550323 in words is "sixty-five million, five hundred fifty thousand, three hundred twenty-three".