54421501543 has 8 divisors (see below), whose sum is σ = 57718600416. Its totient is φ = 51201981600.

The previous prime is 54421501501. The next prime is 54421501571. The reversal of 54421501543 is 34510512445.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 54421501543 - 2³³ = 45831566951 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 54421501499 and 54421501508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54421501643) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19393288 + ... + 19396093.

It is an arithmetic number, because the mean of its divisors is an integer number (7214825052).

Almost surely, 2^54421501543 is an apocalyptic number.

54421501543 is a deficient number, since it is larger than the sum of its proper divisors (3297098873).

54421501543 is a wasteful number, since it uses less digits than its factorization.

54421501543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38789465.

The product of its (nonzero) digits is 48000, while the sum is 34.

The spelling of 54421501543 in words is "fifty-four billion, four hundred twenty-one million, five hundred one thousand, five hundred forty-three".