53539018340543 has 32 divisors (see below), whose sum is σ = 55344619796928. Its totient is φ = 51760041984000.

The previous prime is 53539018340531. The next prime is 53539018340551. The reversal of 53539018340543 is 34504381093535.

It is a cyclic number.

It is not a de Polignac number, because 53539018340543 - 2¹⁶ = 53539018275007 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53539018340513) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1593358943 + ... + 1593392543.

It is an arithmetic number, because the mean of its divisors is an integer number (1729519368654).

Almost surely, 2^{53539018340543} is an apocalyptic number.

53539018340543 is a deficient number, since it is larger than the sum of its proper divisors (1805601456385).

53539018340543 is a wasteful number, since it uses less digits than its factorization.

53539018340543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34683.

The product of its (nonzero) digits is 11664000, while the sum is 53.

The spelling of 53539018340543 in words is "fifty-three trillion, five hundred thirty-nine billion, eighteen million, three hundred forty thousand, five hundred forty-three".