545554455545 has 32 divisors (see below), whose sum is σ = 738894960000. Its totient is φ = 383039802880.

The previous prime is 545554455521. The next prime is 545554455583.

545554455545 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 545554455545 - 2⁸ = 545554455289 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 19028381 + ... + 19057029.

It is an arithmetic number, because the mean of its divisors is an integer number (23090467500).

Almost surely, 2^545554455545 is an apocalyptic number.

545554455545 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

545554455545 is a deficient number, since it is larger than the sum of its proper divisors (193340504455).

545554455545 is a wasteful number, since it uses less digits than its factorization.

545554455545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40633.

The product of its digits is 100000000, while the sum is 56.

The spelling of 545554455545 in words is "five hundred forty-five billion, five hundred fifty-four million, four hundred fifty-five thousand, five hundred forty-five".