5454444545 has 16 divisors (see below), whose sum is σ = 7185855168. Its totient is φ = 3941595840.

The previous prime is 5454444529. The next prime is 5454444547.

5454444545 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 5454444545 - 2⁴ = 5454444529 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5454444496 and 5454444505.

It is not an unprimeable number, because it can be changed into a prime (5454444547) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 307199 + ... + 324468.

It is an arithmetic number, because the mean of its divisors is an integer number (449115948).

Almost surely, 2^5454444545 is an apocalyptic number.

5454444545 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

5454444545 is a deficient number, since it is larger than the sum of its proper divisors (1731410623).

5454444545 is a wasteful number, since it uses less digits than its factorization.

5454444545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 631840.

The product of its digits is 2560000, while the sum is 44.

The square root of 5454444545 is about 73854.2114235878. The cubic root of 5454444545 is about 1760.2871158012.

The spelling of 5454444545 in words is "five billion, four hundred fifty-four million, four hundred forty-four thousand, five hundred forty-five".