5500421321 has 8 divisors (see below), whose sum is σ = 5799105600. Its totient is φ = 5202655920.

The previous prime is 5500421299. The next prime is 5500421341. The reversal of 5500421321 is 1231240055.

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

It is a cyclic number.

It is not a de Polignac number, because 5500421321 - 2⁶ = 5500421257 is a prime.

It is a super-2 number, since 2×5500421321² = 60509269417022770082, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5500421341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 217406 + ... + 241383.

It is an arithmetic number, because the mean of its divisors is an integer number (724888200).

Almost surely, 2^5500421321 is an apocalyptic number.

It is an amenable number.

5500421321 is a deficient number, since it is larger than the sum of its proper divisors (298684279).

5500421321 is a wasteful number, since it uses less digits than its factorization.

5500421321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 459439.

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 5500421321 is about 74164.8253621621. The cubic root of 5500421321 is about 1765.2192395392.

Adding to 5500421321 its reverse (1231240055), we get a palindrome (6731661376).

The spelling of 5500421321 in words is "five billion, five hundred million, four hundred twenty-one thousand, three hundred twenty-one".