455656591 has 12 divisors (see below), whose sum is σ = 504347592. Its totient is φ = 409222368.

The previous prime is 455656589. The next prime is 455656601. The reversal of 455656591 is 195656554.

It is not a de Polignac number, because 455656591 - 2¹ = 455656589 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (455656501) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4996 + ... + 30598.

It is an arithmetic number, because the mean of its divisors is an integer number (42028966).

Almost surely, 2^455656591 is an apocalyptic number.

455656591 is a deficient number, since it is larger than the sum of its proper divisors (48691001).

455656591 is a wasteful number, since it uses less digits than its factorization.

455656591 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25690 (or 25653 counting only the distinct ones).

The product of its digits is 810000, while the sum is 46.

The square root of 455656591 is about 21346.1141897068. The cubic root of 455656591 is about 769.5069599063.

The spelling of 455656591 in words is "four hundred fifty-five million, six hundred fifty-six thousand, five hundred ninety-one".