4540553 has 4 divisors (see below), whose sum is σ = 4546560. Its totient is φ = 4534548.

The previous prime is 4540541. The next prime is 4540573. The reversal of 4540553 is 3550454.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 4540553 - 2¹⁶ = 4475017 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4540573) 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, 1673 + ... + 3446.

It is an arithmetic number, because the mean of its divisors is an integer number (1136640).

Almost surely, 2^4540553 is an apocalyptic number.

It is an amenable number.

4540553 is a deficient number, since it is larger than the sum of its proper divisors (6007).

4540553 is an equidigital number, since it uses as much as digits as its factorization.

4540553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6006.

The product of its (nonzero) digits is 6000, while the sum is 26.

The square root of 4540553 is about 2130.8573391947. The cubic root of 4540553 is about 165.5908173434.

Subtracting from 4540553 its reverse (3550454), we obtain a palindrome (990099).

The spelling of 4540553 in words is "four million, five hundred forty thousand, five hundred fifty-three".