45533521 has 8 divisors (see below), whose sum is σ = 49853088. Its totient is φ = 41244000.

The previous prime is 45533503. The next prime is 45533533. The reversal of 45533521 is 12533554.

45533521 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 a cyclic number.

It is not a de Polignac number, because 45533521 - 2⁵ = 45533489 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 45533521.

It is not an unprimeable number, because it can be changed into a prime (45533581) 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, 4275 + ... + 10456.

It is an arithmetic number, because the mean of its divisors is an integer number (6231636).

Almost surely, 2^45533521 is an apocalyptic number.

It is an amenable number.

45533521 is a deficient number, since it is larger than the sum of its proper divisors (4319567).

45533521 is a wasteful number, since it uses less digits than its factorization.

45533521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15023.

The product of its digits is 9000, while the sum is 28.

The square root of 45533521 is about 6747.8530659759. The cubic root of 45533521 is about 357.0894983369.

The spelling of 45533521 in words is "forty-five million, five hundred thirty-three thousand, five hundred twenty-one".