5545665455 has 16 divisors (see below), whose sum is σ = 7686827424. Its totient is φ = 3795962880.

The previous prime is 5545665449. The next prime is 5545665457.

5545665455 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 5545665455 - 2⁸ = 5545665199 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5545665457) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2964662 + ... + 2966531.

It is an arithmetic number, because the mean of its divisors is an integer number (480426714).

Almost surely, 2^5545665455 is an apocalyptic number.

5545665455 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

5545665455 is a deficient number, since it is larger than the sum of its proper divisors (2141161969).

5545665455 is a wasteful number, since it uses less digits than its factorization.

5545665455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5931226.

The product of its digits is 9000000, while the sum is 50.

The square root of 5545665455 is about 74469.2248851833. The cubic root of 5545665455 is about 1770.0460110184.

The spelling of 5545665455 in words is "five billion, five hundred forty-five million, six hundred sixty-five thousand, four hundred fifty-five".