54310140221 has 2 divisors, whose sum is σ = 54310140222. Its totient is φ = 54310140220.

The previous prime is 54310140211. The next prime is 54310140233. The reversal of 54310140221 is 12204101345.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 27451519225 + 26858620996 = 165685^2 + 163886^2 .

It is a cyclic number.

It is not a de Polignac number, because 54310140221 - 2¹⁰ = 54310139197 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54310140211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27155070110 + 27155070111.

It is an arithmetic number, because the mean of its divisors is an integer number (27155070111).

Almost surely, 2^54310140221 is an apocalyptic number.

It is an amenable number.

54310140221 is a deficient number, since it is larger than the sum of its proper divisors (1).

54310140221 is an equidigital number, since it uses as much as digits as its factorization.

54310140221 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 960, while the sum is 23.

Adding to 54310140221 its reverse (12204101345), we get a palindrome (66514241566).

The spelling of 54310140221 in words is "fifty-four billion, three hundred ten million, one hundred forty thousand, two hundred twenty-one".