5455665493 has 4 divisors (see below), whose sum is σ = 5505717580. Its totient is φ = 5405613408.

The previous prime is 5455665487. The next prime is 5455665511. The reversal of 5455665493 is 3945665545.

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

It can be written as a sum of positive squares in 2 ways, for example, as 3372473329 + 2083192164 = 58073^2 + 45642^2 .

It is a cyclic number.

It is not a de Polignac number, because 5455665493 - 2¹³ = 5455657301 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 5455665493.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5455665443) 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, 25025880 + ... + 25026097.

It is an arithmetic number, because the mean of its divisors is an integer number (1376429395).

Almost surely, 2^5455665493 is an apocalyptic number.

It is an amenable number.

5455665493 is a deficient number, since it is larger than the sum of its proper divisors (50052087).

5455665493 is a wasteful number, since it uses less digits than its factorization.

5455665493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50052086.

The product of its digits is 9720000, while the sum is 52.

The square root of 5455665493 is about 73862.4768945640. The cubic root of 5455665493 is about 1760.4184495952.

Adding to 5455665493 its sum of digits (52), we get a palindrome (5455665545).

The spelling of 5455665493 in words is "five billion, four hundred fifty-five million, six hundred sixty-five thousand, four hundred ninety-three".