54323221 has 2 divisors, whose sum is σ = 54323222. Its totient is φ = 54323220.

The previous prime is 54323209. The next prime is 54323231. The reversal of 54323221 is 12232345.

54323221 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 51480625 + 2842596 = 7175^2 + 1686^2 .

It is a cyclic number.

It is not a de Polignac number, because 54323221 - 2¹¹ = 54321173 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 54323192 and 54323201.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54323231) 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, 27161610 + 27161611.

It is an arithmetic number, because the mean of its divisors is an integer number (27161611).

Almost surely, 2^54323221 is an apocalyptic number.

It is an amenable number.

54323221 is a deficient number, since it is larger than the sum of its proper divisors (1).

54323221 is an equidigital number, since it uses as much as digits as its factorization.

54323221 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1440, while the sum is 22.

The square root of 54323221 is about 7370.4288206318. The cubic root of 54323221 is about 378.7289503854.

Adding to 54323221 its reverse (12232345), we get a palindrome (66555566).

The spelling of 54323221 in words is "fifty-four million, three hundred twenty-three thousand, two hundred twenty-one".