54112440543 has 64 divisors (see below), whose sum is σ = 85544632320. Its totient is φ = 29785190400.

The previous prime is 54112440539. The next prime is 54112440587. The reversal of 54112440543 is 34504421145.

It is a happy number.

It is not a de Polignac number, because 54112440543 - 2² = 54112440539 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54112440533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 25039383 + ... + 25041543.

It is an arithmetic number, because the mean of its divisors is an integer number (1336634880).

Almost surely, 2^54112440543 is an apocalyptic number.

54112440543 is a deficient number, since it is larger than the sum of its proper divisors (31432191777).

54112440543 is a wasteful number, since it uses less digits than its factorization.

54112440543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2568.

The product of its (nonzero) digits is 38400, while the sum is 33.

Adding to 54112440543 its reverse (34504421145), we get a palindrome (88616861688).

The spelling of 54112440543 in words is "fifty-four billion, one hundred twelve million, four hundred forty thousand, five hundred forty-three".