54320143 has 2 divisors, whose sum is σ = 54320144. Its totient is φ = 54320142.

The previous prime is 54320129. The next prime is 54320191. The reversal of 54320143 is 34102345.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 54320143 - 2⁹ = 54319631 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54320843) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27160071 + 27160072.

It is an arithmetic number, because the mean of its divisors is an integer number (27160072).

Almost surely, 2^54320143 is an apocalyptic number.

54320143 is a deficient number, since it is larger than the sum of its proper divisors (1).

54320143 is an equidigital number, since it uses as much as digits as its factorization.

54320143 is an odious number, because the sum of its binary digits is odd.

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

The square root of 54320143 is about 7370.2200102846. The cubic root of 54320143 is about 378.7217972152.

Adding to 54320143 its reverse (34102345), we get a palindrome (88422488).

The spelling of 54320143 in words is "fifty-four million, three hundred twenty thousand, one hundred forty-three".