54343321 has 2 divisors, whose sum is σ = 54343322. Its totient is φ = 54343320.

The previous prime is 54343297. The next prime is 54343349. The reversal of 54343321 is 12334345.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 28729600 + 25613721 = 5360^2 + 5061^2 .

It is a cyclic number.

It is not a de Polignac number, because 54343321 - 2⁷ = 54343193 is a prime.

It is not a weakly prime, because it can be changed into another prime (54343351) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27171660 + 27171661.

It is an arithmetic number, because the mean of its divisors is an integer number (27171661).

Almost surely, 2^54343321 is an apocalyptic number.

It is an amenable number.

54343321 is a deficient number, since it is larger than the sum of its proper divisors (1).

54343321 is an equidigital number, since it uses as much as digits as its factorization.

54343321 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4320, while the sum is 25.

The square root of 54343321 is about 7371.7922515491. The cubic root of 54343321 is about 378.7756554780.

Adding to 54343321 its reverse (12334345), we get a palindrome (66677666).

The spelling of 54343321 in words is "fifty-four million, three hundred forty-three thousand, three hundred twenty-one".