54313321 has 2 divisors, whose sum is σ = 54313322. Its totient is φ = 54313320.

The previous prime is 54313313. The next prime is 54313339. The reversal of 54313321 is 12331345.

54313321 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 42719296 + 11594025 = 6536^2 + 3405^2 .

It is a cyclic number.

It is not a de Polignac number, because 54313321 - 2³ = 54313313 is a prime.

It is a Chen prime.

It is equal to p_3243712 and since 54313321 and 3243712 have the same sum of digits, it is a Honaker prime.

It is a junction number, because it is equal to n+sod(n) for n = 54313292 and 54313301.

It is not a weakly prime, because it can be changed into another prime (54313121) 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, 27156660 + 27156661.

It is an arithmetic number, because the mean of its divisors is an integer number (27156661).

Almost surely, 2^54313321 is an apocalyptic number.

It is an amenable number.

54313321 is a deficient number, since it is larger than the sum of its proper divisors (1).

54313321 is an equidigital number, since it uses as much as digits as its factorization.

54313321 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1080, while the sum is 22.

The square root of 54313321 is about 7369.7571873163. The cubic root of 54313321 is about 378.7059421498.

Adding to 54313321 its reverse (12331345), we get a palindrome (66644666).

The spelling of 54313321 in words is "fifty-four million, three hundred thirteen thousand, three hundred twenty-one".