4553643 has 4 divisors (see below), whose sum is σ = 6071528. Its totient is φ = 3035760.

The previous prime is 4553641. The next prime is 4553651. The reversal of 4553643 is 3463554.

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

It is not a de Polignac number, because 4553643 - 2¹ = 4553641 is a prime.

It is a D-number.

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 4553643.

It is not an unprimeable number, because it can be changed into a prime (4553641) 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, 758938 + ... + 758943.

It is an arithmetic number, because the mean of its divisors is an integer number (1517882).

Almost surely, 2^4553643 is an apocalyptic number.

4553643 is a deficient number, since it is larger than the sum of its proper divisors (1517885).

4553643 is a wasteful number, since it uses less digits than its factorization.

4553643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1517884.

The product of its digits is 21600, while the sum is 30.

The square root of 4553643 is about 2133.9266622825. The cubic root of 4553643 is about 165.7497924100.

The spelling of 4553643 in words is "four million, five hundred fifty-three thousand, six hundred forty-three".