53032442543 has 4 divisors (see below), whose sum is σ = 54743166528. Its totient is φ = 51321718560.

The previous prime is 53032442513. The next prime is 53032442611. The reversal of 53032442543 is 34524423035.

It is a happy number.

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 53032442543 - 2¹² = 53032438447 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 (53032442513) 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, 855361946 + ... + 855362007.

It is an arithmetic number, because the mean of its divisors is an integer number (13685791632).

Almost surely, 2^53032442543 is an apocalyptic number.

53032442543 is a deficient number, since it is larger than the sum of its proper divisors (1710723985).

53032442543 is a wasteful number, since it uses less digits than its factorization.

53032442543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1710723984.

The product of its (nonzero) digits is 172800, while the sum is 35.

Adding to 53032442543 its reverse (34524423035), we get a palindrome (87556865578).

The spelling of 53032442543 in words is "fifty-three billion, thirty-two million, four hundred forty-two thousand, five hundred forty-three".