54212143 has 2 divisors, whose sum is σ = 54212144. Its totient is φ = 54212142.

The previous prime is 54212117. The next prime is 54212153. The reversal of 54212143 is 34121245.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-54212143 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54212113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27106071 + 27106072.

It is an arithmetic number, because the mean of its divisors is an integer number (27106072).

Almost surely, 2^54212143 is an apocalyptic number.

54212143 is a deficient number, since it is larger than the sum of its proper divisors (1).

54212143 is an equidigital number, since it uses as much as digits as its factorization.

54212143 is an evil number, because the sum of its binary digits is even.

The product of its digits is 960, while the sum is 22.

The square root of 54212143 is about 7362.8895822225. The cubic root of 54212143 is about 378.4706375221.

Adding to 54212143 its reverse (34121245), we get a palindrome (88333388).

The spelling of 54212143 in words is "fifty-four million, two hundred twelve thousand, one hundred forty-three".