54000143 has 4 divisors (see below), whose sum is σ = 57176640. Its totient is φ = 50823648.

The previous prime is 54000139. The next prime is 54000151. The reversal of 54000143 is 34100045.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 54000143 - 2² = 54000139 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17), and also a Moran number because the ratio is a prime number: 3176479 = 54000143 / (5 + 4 + 0 + 0 + 0 + 1 + 4 + 3).

It is a Duffinian number.

54000143 is a modest number, since divided by 143 gives 54 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54000103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1588223 + ... + 1588256.

It is an arithmetic number, because the mean of its divisors is an integer number (14294160).

Almost surely, 2^54000143 is an apocalyptic number.

54000143 is a deficient number, since it is larger than the sum of its proper divisors (3176497).

54000143 is a wasteful number, since it uses less digits than its factorization.

54000143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3176496.

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 54000143 is about 7348.4789582607. The cubic root of 54000143 is about 377.9766486139.

Adding to 54000143 its reverse (34100045), we get a palindrome (88100188).

The spelling of 54000143 in words is "fifty-four million, one hundred forty-three", and thus it is an aban number.