455965591 has 4 divisors (see below), whose sum is σ = 479963800. Its totient is φ = 431967384.

The previous prime is 455965583. The next prime is 455965597. The reversal of 455965591 is 195569554.

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

It is a cyclic number.

It is not a de Polignac number, because 455965591 - 2³ = 455965583 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (455965597) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11999076 + ... + 11999113.

It is an arithmetic number, because the mean of its divisors is an integer number (119990950).

Almost surely, 2^455965591 is an apocalyptic number.

455965591 is a deficient number, since it is larger than the sum of its proper divisors (23998209).

455965591 is a wasteful number, since it uses less digits than its factorization.

455965591 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23998208.

The product of its digits is 1215000, while the sum is 49.

The square root of 455965591 is about 21353.3508143336. The cubic root of 455965591 is about 769.6808656696.

The spelling of 455965591 in words is "four hundred fifty-five million, nine hundred sixty-five thousand, five hundred ninety-one".