54686143 has 2 divisors, whose sum is σ = 54686144. Its totient is φ = 54686142.

The previous prime is 54686113. The next prime is 54686173. The reversal of 54686143 is 34168645.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (54686113) and next prime (54686173).

It is a cyclic number.

It is not a de Polignac number, because 54686143 - 2²⁵ = 21131711 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54686113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27343071 + 27343072.

It is an arithmetic number, because the mean of its divisors is an integer number (27343072).

Almost surely, 2^54686143 is an apocalyptic number.

54686143 is a deficient number, since it is larger than the sum of its proper divisors (1).

54686143 is an equidigital number, since it uses as much as digits as its factorization.

54686143 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 69120, while the sum is 37.

The square root of 54686143 is about 7395.0079783595. The cubic root of 54686143 is about 379.5704819147.

It can be divided in two parts, 5468 and 6143, that added together give a palindrome (11611).

The spelling of 54686143 in words is "fifty-four million, six hundred eighty-six thousand, one hundred forty-three".