5544123133 has 4 divisors (see below), whose sum is σ = 5544272188. Its totient is φ = 5543974080.

The previous prime is 5544123089. The next prime is 5544123139. The reversal of 5544123133 is 3313214455.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 3313214455 = 5 ⋅662642891.

It can be written as a sum of positive squares in 2 ways, for example, as 1648116409 + 3896006724 = 40597^2 + 62418^2 .

It is a cyclic number.

It is not a de Polignac number, because 5544123133 - 2⁹ = 5544122621 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5544123095 and 5544123104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5544123139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32485 + ... + 110197.

It is an arithmetic number, because the mean of its divisors is an integer number (1386068047).

Almost surely, 2^5544123133 is an apocalyptic number.

It is an amenable number.

5544123133 is a deficient number, since it is larger than the sum of its proper divisors (149055).

5544123133 is an equidigital number, since it uses as much as digits as its factorization.

5544123133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149054.

The product of its digits is 21600, while the sum is 31.

The square root of 5544123133 is about 74458.8687330126. The cubic root of 5544123133 is about 1769.8819048321.

Adding to 5544123133 its reverse (3313214455), we get a palindrome (8857337588).

The spelling of 5544123133 in words is "five billion, five hundred forty-four million, one hundred twenty-three thousand, one hundred thirty-three".