455559646 has 4 divisors (see below), whose sum is σ = 683339472. Its totient is φ = 227779822.

The previous prime is 455559641. The next prime is 455559647. The reversal of 455559646 is 646955554.

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

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 455559646.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (455559641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 113889910 + ... + 113889913.

It is an arithmetic number, because the mean of its divisors is an integer number (170834868).

Almost surely, 2^455559646 is an apocalyptic number.

455559646 is a deficient number, since it is larger than the sum of its proper divisors (227779826).

455559646 is a wasteful number, since it uses less digits than its factorization.

455559646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 227779825.

The product of its digits is 3240000, while the sum is 49.

The square root of 455559646 is about 21343.8432809089. The cubic root of 455559646 is about 769.4523828813.

The spelling of 455559646 in words is "four hundred fifty-five million, five hundred fifty-nine thousand, six hundred forty-six".