54326221 has 2 divisors, whose sum is σ = 54326222. Its totient is φ = 54326220.

The previous prime is 54326201. The next prime is 54326267. The reversal of 54326221 is 12262345.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 43692100 + 10634121 = 6610^2 + 3261^2 .

It is a cyclic number.

It is not a de Polignac number, because 54326221 - 2¹³ = 54318029 is a prime.

It is equal to p_3244462 and since 54326221 and 3244462 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54326201) 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 as a sum of consecutive naturals, namely, 27163110 + 27163111.

It is an arithmetic number, because the mean of its divisors is an integer number (27163111).

Almost surely, 2^54326221 is an apocalyptic number.

It is an amenable number.

54326221 is a deficient number, since it is larger than the sum of its proper divisors (1).

54326221 is an equidigital number, since it uses as much as digits as its factorization.

54326221 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2880, while the sum is 25.

The square root of 54326221 is about 7370.6323337961. The cubic root of 54326221 is about 378.7359220261.

Adding to 54326221 its reverse (12262345), we get a palindrome (66588566).

The spelling of 54326221 in words is "fifty-four million, three hundred twenty-six thousand, two hundred twenty-one".