45564559 has 4 divisors (see below), whose sum is σ = 45990504. Its totient is φ = 45138616.

The previous prime is 45564557. The next prime is 45564581. The reversal of 45564559 is 95546554.

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 45564559 - 2¹ = 45564557 is a prime.

It is a super-2 number, since 2×45564559² = 4152258073728962, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45564557) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 212812 + ... + 213025.

It is an arithmetic number, because the mean of its divisors is an integer number (11497626).

Almost surely, 2^45564559 is an apocalyptic number.

45564559 is a deficient number, since it is larger than the sum of its proper divisors (425945).

45564559 is a wasteful number, since it uses less digits than its factorization.

45564559 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 425944.

The product of its digits is 540000, while the sum is 43.

The square root of 45564559 is about 6750.1525167955. The cubic root of 45564559 is about 357.1706167908.

The spelling of 45564559 in words is "forty-five million, five hundred sixty-four thousand, five hundred fifty-nine".