455630566 has 16 divisors (see below), whose sum is σ = 726220944. Its totient is φ = 213652224.

The previous prime is 455630561. The next prime is 455630579. The reversal of 455630566 is 665036554.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (455630561) 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, 14055 + ... + 33298.

It is an arithmetic number, because the mean of its divisors is an integer number (45388809).

Almost surely, 2^455630566 is an apocalyptic number.

455630566 is a deficient number, since it is larger than the sum of its proper divisors (270590378).

455630566 is a wasteful number, since it uses less digits than its factorization.

455630566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47655.

The product of its (nonzero) digits is 324000, while the sum is 40.

The square root of 455630566 is about 21345.5045852751. The cubic root of 455630566 is about 769.4923093995.

The spelling of 455630566 in words is "four hundred fifty-five million, six hundred thirty thousand, five hundred sixty-six".