5541500443 has 4 divisors (see below), whose sum is σ = 5541792400. Its totient is φ = 5541208488.

The previous prime is 5541500431. The next prime is 5541500453. The reversal of 5541500443 is 3440051455.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3440051455 = 5 ⋅688010291.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5541500443 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5541500453) 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, 115368 + ... + 156181.

It is an arithmetic number, because the mean of its divisors is an integer number (1385448100).

Almost surely, 2^5541500443 is an apocalyptic number.

5541500443 is a deficient number, since it is larger than the sum of its proper divisors (291957).

5541500443 is a wasteful number, since it uses less digits than its factorization.

5541500443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 291956.

The product of its (nonzero) digits is 24000, while the sum is 31.

The square root of 5541500443 is about 74441.2549800176. The cubic root of 5541500443 is about 1769.6027754064.

Adding to 5541500443 its reverse (3440051455), we get a palindrome (8981551898).

The spelling of 5541500443 in words is "five billion, five hundred forty-one million, five hundred thousand, four hundred forty-three".