54143429 has 2 divisors, whose sum is σ = 54143430. Its totient is φ = 54143428.

The previous prime is 54143399. The next prime is 54143477. The reversal of 54143429 is 92434145.

54143429 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 43890625 + 10252804 = 6625^2 + 3202^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-54143429 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 54143395 and 54143404.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54143129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27071714 + 27071715.

It is an arithmetic number, because the mean of its divisors is an integer number (27071715).

Almost surely, 2^54143429 is an apocalyptic number.

It is an amenable number.

54143429 is a deficient number, since it is larger than the sum of its proper divisors (1).

54143429 is an equidigital number, since it uses as much as digits as its factorization.

54143429 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 17280, while the sum is 32.

The square root of 54143429 is about 7358.2218640104. The cubic root of 54143429 is about 378.3106658175.

The spelling of 54143429 in words is "fifty-four million, one hundred forty-three thousand, four hundred twenty-nine".