45566565 has 32 divisors (see below), whose sum is σ = 82999296. Its totient is φ = 21130560.

The previous prime is 45566561. The next prime is 45566567. The reversal of 45566565 is 56566554.

It is not a de Polignac number, because 45566565 - 2² = 45566561 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45566561) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2209 + ... + 9798.

It is an arithmetic number, because the mean of its divisors is an integer number (2593728).

Almost surely, 2^45566565 is an apocalyptic number.

It is an amenable number.

45566565 is a deficient number, since it is larger than the sum of its proper divisors (37432731).

45566565 is a wasteful number, since it uses less digits than its factorization.

45566565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12049.

The product of its digits is 540000, while the sum is 42.

The square root of 45566565 is about 6750.3011043953. The cubic root of 45566565 is about 357.1758582457.

The spelling of 45566565 in words is "forty-five million, five hundred sixty-six thousand, five hundred sixty-five".