455666555 has 8 divisors (see below), whose sum is σ = 578964672. Its totient is φ = 343090048.

The previous prime is 455666539. The next prime is 455666557. The reversal of 455666555 is 555666554.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 455666555 - 2⁴ = 455666539 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (455666557) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2680307 + ... + 2680476.

It is an arithmetic number, because the mean of its divisors is an integer number (72370584).

Almost surely, 2^455666555 is an apocalyptic number.

455666555 is a deficient number, since it is larger than the sum of its proper divisors (123298117).

455666555 is a wasteful number, since it uses less digits than its factorization.

455666555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5360805.

The product of its digits is 2700000, while the sum is 47.

The square root of 455666555 is about 21346.3475798554. The cubic root of 455666555 is about 769.5125688902.

Subtracting 455666555 from its reverse (555666554), we obtain a palindrome (99999999).

The spelling of 455666555 in words is "four hundred fifty-five million, six hundred sixty-six thousand, five hundred fifty-five".