65550224 has 20 divisors (see below), whose sum is σ = 127147740. Its totient is φ = 32737920.

The previous prime is 65550197. The next prime is 65550263. The reversal of 65550224 is 42205556.

65550224 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 28729600 + 36820624 = 5360^2 + 6068^2 .

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 17162 + ... + 20630.

It is an arithmetic number, because the mean of its divisors is an integer number (6357387).

Almost surely, 2^65550224 is an apocalyptic number.

It is an amenable number.

65550224 is a deficient number, since it is larger than the sum of its proper divisors (61597516).

65550224 is a wasteful number, since it uses less digits than its factorization.

65550224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4658 (or 4652 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 29.

The square root of 65550224 is about 8096.3092826300. The cubic root of 65550224 is about 403.2039023411.

The spelling of 65550224 in words is "sixty-five million, five hundred fifty thousand, two hundred twenty-four".