52732231 has 4 divisors (see below), whose sum is σ = 52785000. Its totient is φ = 52679464.

The previous prime is 52732223. The next prime is 52732247. The reversal of 52732231 is 13223725.

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 52732231 - 2³ = 52732223 is a prime.

It is a super-2 number, since 2×52732231² = 5561376372474722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 52732196 and 52732205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52732331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24856 + ... + 26893.

It is an arithmetic number, because the mean of its divisors is an integer number (13196250).

Almost surely, 2^52732231 is an apocalyptic number.

52732231 is a deficient number, since it is larger than the sum of its proper divisors (52769).

52732231 is a wasteful number, since it uses less digits than its factorization.

52732231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52768.

The product of its digits is 2520, while the sum is 25.

The square root of 52732231 is about 7261.6961517265. The cubic root of 52732231 is about 374.9949178571.

Adding to 52732231 its reverse (13223725), we get a palindrome (65955956).

The spelling of 52732231 in words is "fifty-two million, seven hundred thirty-two thousand, two hundred thirty-one".