52540332543 has 6 divisors (see below), whose sum is σ = 75891591464. Its totient is φ = 35026888356.

The previous prime is 52540332539. The next prime is 52540332553. The reversal of 52540332543 is 34523304525.

52540332543 is a `hidden beast` number, since 52 + 540 + 3 + 3 + 25 + 43 = 666.

It is not a de Polignac number, because 52540332543 - 2² = 52540332539 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 52540332498 and 52540332507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52540332503) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2918907355 + ... + 2918907372.

Almost surely, 2^52540332543 is an apocalyptic number.

52540332543 is a deficient number, since it is larger than the sum of its proper divisors (23351258921).

52540332543 is a wasteful number, since it uses less digits than its factorization.

52540332543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5837814733 (or 5837814730 counting only the distinct ones).

The product of its (nonzero) digits is 216000, while the sum is 36.

The spelling of 52540332543 in words is "fifty-two billion, five hundred forty million, three hundred thirty-two thousand, five hundred forty-three".