52532431 has 8 divisors (see below), whose sum is σ = 63568800. Its totient is φ = 42379008.

The previous prime is 52532419. The next prime is 52532453. The reversal of 52532431 is 13423525.

52532431 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 52532431 - 2⁷ = 52532303 is a prime.

It is a super-2 number, since 2×52532431² = 5519312613539522, 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 = 52532396 and 52532405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52532461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 220606 + ... + 220843.

It is an arithmetic number, because the mean of its divisors is an integer number (7946100).

Almost surely, 2^52532431 is an apocalyptic number.

52532431 is a deficient number, since it is larger than the sum of its proper divisors (11036369).

52532431 is a wasteful number, since it uses less digits than its factorization.

52532431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 441473.

The product of its digits is 3600, while the sum is 25.

The square root of 52532431 is about 7247.9259792026. The cubic root of 52532431 is about 374.5207055919.

Adding to 52532431 its reverse (13423525), we get a palindrome (65955956).

The spelling of 52532431 in words is "fifty-two million, five hundred thirty-two thousand, four hundred thirty-one".