5533105221 has 40 divisors (see below), whose sum is σ = 9647320320. Its totient is φ = 3094487712.

The previous prime is 5533105211. The next prime is 5533105271. The reversal of 5533105221 is 1225013355.

It is a happy number.

5533105221 is a `hidden beast` number, since 5 + 533 + 105 + 2 + 21 = 666.

It is not a de Polignac number, because 5533105221 - 2¹³ = 5533097029 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5533105211) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 77166 + ... + 130463.

It is an arithmetic number, because the mean of its divisors is an integer number (241183008).

Almost surely, 2^5533105221 is an apocalyptic number.

It is an amenable number.

5533105221 is a deficient number, since it is larger than the sum of its proper divisors (4114215099).

5533105221 is a wasteful number, since it uses less digits than its factorization.

5533105221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 207695 (or 207686 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 27.

The square root of 5533105221 is about 74384.8453718901. The cubic root of 5533105221 is about 1768.7086904394.

Adding to 5533105221 its reverse (1225013355), we get a palindrome (6758118576).

The spelling of 5533105221 in words is "five billion, five hundred thirty-three million, one hundred five thousand, two hundred twenty-one".