4455549 has 24 divisors (see below), whose sum is σ = 7413120. Its totient is φ = 2526048.

The previous prime is 4455533. The next prime is 4455559. The reversal of 4455549 is 9455544.

It is not a de Polignac number, because 4455549 - 2⁴ = 4455533 is a prime.

4455549 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4455509) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12232 + ... + 12590.

It is an arithmetic number, because the mean of its divisors is an integer number (308880).

Almost surely, 2^4455549 is an apocalyptic number.

It is an amenable number.

4455549 is a deficient number, since it is larger than the sum of its proper divisors (2957571).

4455549 is a wasteful number, since it uses less digits than its factorization.

4455549 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 569 (or 566 counting only the distinct ones).

The product of its digits is 72000, while the sum is 36.

The square root of 4455549 is about 2110.8171403511. The cubic root of 4455549 is about 164.5509553499.

The spelling of 4455549 in words is "four million, four hundred fifty-five thousand, five hundred forty-nine".