5543155221 has 8 divisors (see below), whose sum is σ = 7392337920. Its totient is φ = 3694704672.

The previous prime is 5543155199. The next prime is 5543155253. The reversal of 5543155221 is 1225513455.

5543155221 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 5543155221 - 2¹⁴ = 5543138837 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5543155721) 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, 165120 + ... + 195833.

It is an arithmetic number, because the mean of its divisors is an integer number (924042240).

Almost surely, 2^5543155221 is an apocalyptic number.

It is an amenable number.

5543155221 is a deficient number, since it is larger than the sum of its proper divisors (1849182699).

5543155221 is a wasteful number, since it uses less digits than its factorization.

5543155221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 366075.

The product of its digits is 30000, while the sum is 33.

The square root of 5543155221 is about 74452.3688071777. The cubic root of 5543155221 is about 1769.7789014900.

Adding to 5543155221 its reverse (1225513455), we get a palindrome (6768668676).

The spelling of 5543155221 in words is "five billion, five hundred forty-three million, one hundred fifty-five thousand, two hundred twenty-one".