4553545 has 4 divisors (see below), whose sum is σ = 5464260. Its totient is φ = 3642832.

The previous prime is 4553543. The next prime is 4553573. The reversal of 4553545 is 5453554.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3444736 + 1108809 = 1856^2 + 1053^2 .

It is a cyclic number.

It is not a de Polignac number, because 4553545 - 2¹ = 4553543 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (4553543) 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, 455350 + ... + 455359.

It is an arithmetic number, because the mean of its divisors is an integer number (1366065).

Almost surely, 2^4553545 is an apocalyptic number.

It is an amenable number.

4553545 is a deficient number, since it is larger than the sum of its proper divisors (910715).

4553545 is an equidigital number, since it uses as much as digits as its factorization.

4553545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 910714.

The product of its digits is 30000, while the sum is 31.

The square root of 4553545 is about 2133.9036997953. The cubic root of 4553545 is about 165.7486033550.

Subtracting 4553545 from its reverse (5453554), we obtain a palindrome (900009).

The spelling of 4553545 in words is "four million, five hundred fifty-three thousand, five hundred forty-five".