455545555 has 4 divisors (see below), whose sum is σ = 546654672. Its totient is φ = 364436440.

The previous prime is 455545537. The next prime is 455545561. The reversal of 455545555 is 555545554.

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

It is not a de Polignac number, because 455545555 - 2⁹ = 455545043 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45554551 + ... + 45554560.

It is an arithmetic number, because the mean of its divisors is an integer number (136663668).

Almost surely, 2^455545555 is an apocalyptic number.

455545555 is a deficient number, since it is larger than the sum of its proper divisors (91109117).

455545555 is an equidigital number, since it uses as much as digits as its factorization.

455545555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91109116.

The product of its digits is 1250000, while the sum is 43.

The square root of 455545555 is about 21343.5131831664. The cubic root of 455545555 is about 769.4444494413. Note that the first 5 decimals are identical.

Subtracting 455545555 from its reverse (555545554), we obtain a palindrome (99999999).

The spelling of 455545555 in words is "four hundred fifty-five million, five hundred forty-five thousand, five hundred fifty-five".