45565521 has 8 divisors (see below), whose sum is σ = 60786624. Its totient is φ = 30360720.

The previous prime is 45565519. The next prime is 45565529. The reversal of 45565521 is 12556554.

45565521 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 45565521 - 2¹ = 45565519 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (45565529) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6031 + ... + 11291.

It is an arithmetic number, because the mean of its divisors is an integer number (7598328).

Almost surely, 2^45565521 is an apocalyptic number.

It is an amenable number.

45565521 is a deficient number, since it is larger than the sum of its proper divisors (15221103).

45565521 is a wasteful number, since it uses less digits than its factorization.

45565521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8151.

The product of its digits is 30000, while the sum is 33.

The square root of 45565521 is about 6750.2237740685. The cubic root of 45565521 is about 357.1731304090.

The spelling of 45565521 in words is "forty-five million, five hundred sixty-five thousand, five hundred twenty-one".