52432543 has 4 divisors (see below), whose sum is σ = 52458088. Its totient is φ = 52407000.

The previous prime is 52432519. The next prime is 52432547. The reversal of 52432543 is 34523425.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-52432543 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 (52432547) 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, 9396 + ... + 13897.

It is an arithmetic number, because the mean of its divisors is an integer number (13114522).

Almost surely, 2^52432543 is an apocalyptic number.

52432543 is a deficient number, since it is larger than the sum of its proper divisors (25545).

52432543 is a wasteful number, since it uses less digits than its factorization.

52432543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25544.

The product of its digits is 14400, while the sum is 28.

The square root of 52432543 is about 7241.0319016008. The cubic root of 52432543 is about 374.2831770163.

Adding to 52432543 its reverse (34523425), we get a palindrome (86955968).

It can be divided in two parts, 52432 and 543, that added together give a triangular number (52975 = T₃₂₅).

The spelling of 52432543 in words is "fifty-two million, four hundred thirty-two thousand, five hundred forty-three".