5544320231 has 4 divisors (see below), whose sum is σ = 5545443672. Its totient is φ = 5543196792.

The previous prime is 5544320203. The next prime is 5544320281. The reversal of 5544320231 is 1320234455.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5544320231 is a prime.

It is a super-2 number, since 2×5544320231² = 61478973647751786722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5544320194 and 5544320203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5544320281) 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, 554285 + ... + 564198.

It is an arithmetic number, because the mean of its divisors is an integer number (1386360918).

Almost surely, 2^5544320231 is an apocalyptic number.

5544320231 is a deficient number, since it is larger than the sum of its proper divisors (1123441).

5544320231 is a wasteful number, since it uses less digits than its factorization.

5544320231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1123440.

The product of its (nonzero) digits is 14400, while the sum is 29.

The square root of 5544320231 is about 74460.1922573398. The cubic root of 5544320231 is about 1769.9028781548.

Adding to 5544320231 its reverse (1320234455), we get a palindrome (6864554686).

The spelling of 5544320231 in words is "five billion, five hundred forty-four million, three hundred twenty thousand, two hundred thirty-one".