2044553 has 4 divisors (see below), whose sum is σ = 2336640. Its totient is φ = 1752468.

The previous prime is 2044541. The next prime is 2044561. The reversal of 2044553 is 3554402.

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 2044553 - 2⁶ = 2044489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2044753) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 146033 + ... + 146046.

It is an arithmetic number, because the mean of its divisors is an integer number (584160).

2^2044553 is an apocalyptic number.

It is an amenable number.

2044553 is a deficient number, since it is larger than the sum of its proper divisors (292087).

2044553 is an equidigital number, since it uses as much as digits as its factorization.

2044553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 292086.

The product of its (nonzero) digits is 2400, while the sum is 23.

The square root of 2044553 is about 1429.8786661812. The cubic root of 2044553 is about 126.9207971242.

Adding to 2044553 its reverse (3554402), we get a palindrome (5598955).

The spelling of 2044553 in words is "two million, forty-four thousand, five hundred fifty-three".