5544221111 has 8 divisors (see below), whose sum is σ = 6513490704. Its totient is φ = 4652493120.

The previous prime is 5544221107. The next prime is 5544221129. The reversal of 5544221111 is 1111224455.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 5544221111 - 2² = 5544221107 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 10.

It is a zygodrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5544221141) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19385246 + ... + 19385531.

It is an arithmetic number, because the mean of its divisors is an integer number (814186338).

Almost surely, 2^5544221111 is an apocalyptic number.

5544221111 is a deficient number, since it is larger than the sum of its proper divisors (969269593).

5544221111 is a wasteful number, since it uses less digits than its factorization.

5544221111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38770801.

The product of its digits is 1600, while the sum is 26.

The square root of 5544221111 is about 74459.5266638192. The cubic root of 5544221111 is about 1769.8923307951.

Adding to 5544221111 its reverse (1111224455), we get a palindrome (6655445566).

The spelling of 5544221111 in words is "five billion, five hundred forty-four million, two hundred twenty-one thousand, one hundred eleven".