53353532543 has 4 divisors (see below), whose sum is σ = 53375664168. Its totient is φ = 53331400920.

The previous prime is 53353532473. The next prime is 53353532567. The reversal of 53353532543 is 34523535335.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 53353532543 - 2¹⁰ = 53353531519 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 53353532543.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53353532143) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11062196 + ... + 11067017.

It is an arithmetic number, because the mean of its divisors is an integer number (13343916042).

Almost surely, 2^53353532543 is an apocalyptic number.

53353532543 is a deficient number, since it is larger than the sum of its proper divisors (22131625).

53353532543 is a wasteful number, since it uses less digits than its factorization.

53353532543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22131624.

The product of its digits is 1215000, while the sum is 41.

The spelling of 53353532543 in words is "fifty-three billion, three hundred fifty-three million, five hundred thirty-two thousand, five hundred forty-three".