5500321 has 2 divisors, whose sum is σ = 5500322. Its totient is φ = 5500320.

The previous prime is 5500301. The next prime is 5500373. The reversal of 5500321 is 1230055.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5499025 + 1296 = 2345^2 + 36^2 .

It is a cyclic number.

It is not a de Polignac number, because 5500321 - 2⁷ = 5500193 is a prime.

It is a super-2 number, since 2×5500321² = 60507062206082, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 5500295 and 5500304.

It is not a weakly prime, because it can be changed into another prime (5500301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2750160 + 2750161.

It is an arithmetic number, because the mean of its divisors is an integer number (2750161).

Almost surely, 2^5500321 is an apocalyptic number.

It is an amenable number.

5500321 is a deficient number, since it is larger than the sum of its proper divisors (1).

5500321 is an equidigital number, since it uses as much as digits as its factorization.

5500321 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 150, while the sum is 16.

The square root of 5500321 is about 2345.2763163431. The cubic root of 5500321 is about 176.5208507656.

Adding to 5500321 its reverse (1230055), we get a palindrome (6730376).

The spelling of 5500321 in words is "five million, five hundred thousand, three hundred twenty-one".