5561103 has 4 divisors (see below), whose sum is σ = 7414808. Its totient is φ = 3707400.

The previous prime is 5561099. The next prime is 5561119. The reversal of 5561103 is 3011655.

It is a happy number.

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

It is not a de Polignac number, because 5561103 - 2² = 5561099 is a prime.

It is a D-number.

It is a Duffinian number.

5561103 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 5561103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5561123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 926848 + ... + 926853.

It is an arithmetic number, because the mean of its divisors is an integer number (1853702).

Almost surely, 2^5561103 is an apocalyptic number.

5561103 is a deficient number, since it is larger than the sum of its proper divisors (1853705).

5561103 is a wasteful number, since it uses less digits than its factorization.

5561103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1853704.

The product of its (nonzero) digits is 450, while the sum is 21.

The square root of 5561103 is about 2358.1991010091. The cubic root of 5561103 is about 177.1686923136.

Adding to 5561103 its reverse (3011655), we get a palindrome (8572758).

The spelling of 5561103 in words is "five million, five hundred sixty-one thousand, one hundred three".