5545321203 has 4 divisors (see below), whose sum is σ = 7393761608. Its totient is φ = 3696880800.

The previous prime is 5545321193. The next prime is 5545321241. The reversal of 5545321203 is 3021235455.

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

It is not a de Polignac number, because 5545321203 - 2⁹ = 5545320691 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5545321403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 924220198 + ... + 924220203.

It is an arithmetic number, because the mean of its divisors is an integer number (1848440402).

Almost surely, 2^5545321203 is an apocalyptic number.

5545321203 is a deficient number, since it is larger than the sum of its proper divisors (1848440405).

5545321203 is a wasteful number, since it uses less digits than its factorization.

5545321203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1848440404.

The product of its (nonzero) digits is 18000, while the sum is 30.

The square root of 5545321203 is about 74466.9134784033. The cubic root of 5545321203 is about 1770.0093845460.

Adding to 5545321203 its reverse (3021235455), we get a palindrome (8566556658).

The spelling of 5545321203 in words is "five billion, five hundred forty-five million, three hundred twenty-one thousand, two hundred three".