54331543 has 32 divisors (see below), whose sum is σ = 67737600. Its totient is φ = 43464960.

The previous prime is 54331531. The next prime is 54331591. The reversal of 54331543 is 34513345.

54331543 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a de Polignac number, because none of the positive numbers 2^k-54331543 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54331513) 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 in 31 ways as a sum of consecutive naturals, for example, 560071 + ... + 560167.

It is an arithmetic number, because the mean of its divisors is an integer number (2116800).

Almost surely, 2^54331543 is an apocalyptic number.

54331543 is a deficient number, since it is larger than the sum of its proper divisors (13406057).

54331543 is an equidigital number, since it uses as much as digits as its factorization.

54331543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 212 (or 198 counting only the distinct ones).

The product of its digits is 10800, while the sum is 28.

The square root of 54331543 is about 7370.9933523237. The cubic root of 54331543 is about 378.7482890852.

Adding to 54331543 its reverse (34513345), we get a palindrome (88844888).

The spelling of 54331543 in words is "fifty-four million, three hundred thirty-one thousand, five hundred forty-three".