5450565665 has 8 divisors (see below), whose sum is σ = 6541119528. Its totient is φ = 4360158720.

The previous prime is 5450565647. The next prime is 5450565667. The reversal of 5450565665 is 5665650545.

It can be written as a sum of positive squares in 4 ways, for example, as 353176849 + 5097388816 = 18793^2 + 71396^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 5450565665 - 2⁸ = 5450565409 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5450565667) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 76799 + ... + 129611.

It is an arithmetic number, because the mean of its divisors is an integer number (817639941).

Almost surely, 2^5450565665 is an apocalyptic number.

It is an amenable number.

5450565665 is a deficient number, since it is larger than the sum of its proper divisors (1090553863).

5450565665 is a wasteful number, since it uses less digits than its factorization.

5450565665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73459.

The product of its (nonzero) digits is 2700000, while the sum is 47.

The square root of 5450565665 is about 73827.9463685670. The cubic root of 5450565665 is about 1759.8697459777.

The spelling of 5450565665 in words is "five billion, four hundred fifty million, five hundred sixty-five thousand, six hundred sixty-five".