455568987 has 6 divisors (see below), whose sum is σ = 607474612. Its totient is φ = 303688012.

The previous prime is 455568943. The next prime is 455569007. The reversal of 455568987 is 789865554.

It is not a de Polignac number, because 455568987 - 2¹⁰ = 455567963 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (455568937) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 30808 + ... + 43130.

Almost surely, 2^455568987 is an apocalyptic number.

455568987 is a deficient number, since it is larger than the sum of its proper divisors (151905625).

455568987 is an frugal number, since it uses more digits than its factorization.

455568987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24649 (or 12326 counting only the distinct ones).

The product of its digits is 12096000, while the sum is 57.

The square root of 455568987 is about 21344.0621016713. The cubic root of 455568987 is about 769.4576419114.

The spelling of 455568987 in words is "four hundred fifty-five million, five hundred sixty-eight thousand, nine hundred eighty-seven".