54143503 has 2 divisors, whose sum is σ = 54143504. Its totient is φ = 54143502.

The previous prime is 54143501. The next prime is 54143549. The reversal of 54143503 is 30534145.

54143503 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 is a cyclic number.

It is not a de Polignac number, because 54143503 - 2¹ = 54143501 is a prime.

It is a super-2 number, since 2×54143503² = 5863037834222018, which contains 22 as substring.

Together with 54143501, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54143501) 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, 27071751 + 27071752.

It is an arithmetic number, because the mean of its divisors is an integer number (27071752).

Almost surely, 2^54143503 is an apocalyptic number.

54143503 is a deficient number, since it is larger than the sum of its proper divisors (1).

54143503 is an equidigital number, since it uses as much as digits as its factorization.

54143503 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3600, while the sum is 25.

The square root of 54143503 is about 7358.2268923974. The cubic root of 54143503 is about 378.3108381682.

Adding to 54143503 its reverse (30534145), we get a palindrome (84677648).

It can be divided in two parts, 541 and 43503, that added together give a palindrome (44044).

The spelling of 54143503 in words is "fifty-four million, one hundred forty-three thousand, five hundred three".