52531444433 has 4 divisors (see below), whose sum is σ = 56572324788. Its totient is φ = 48490564080.

The previous prime is 52531444423. The next prime is 52531444487. The reversal of 52531444433 is 33444413525.

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

It can be written as a sum of positive squares in 2 ways, for example, as 3978203329 + 48553241104 = 63073^2 + 220348^2 .

It is a cyclic number.

It is not a de Polignac number, because 52531444433 - 2⁸ = 52531444177 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52531444423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2020440158 + ... + 2020440183.

It is an arithmetic number, because the mean of its divisors is an integer number (14143081197).

Almost surely, 2^52531444433 is an apocalyptic number.

It is an amenable number.

52531444433 is a deficient number, since it is larger than the sum of its proper divisors (4040880355).

52531444433 is a wasteful number, since it uses less digits than its factorization.

52531444433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4040880354.

The product of its digits is 345600, while the sum is 38.

Adding to 52531444433 its reverse (33444413525), we get a palindrome (85975857958).

The spelling of 52531444433 in words is "fifty-two billion, five hundred thirty-one million, four hundred forty-four thousand, four hundred thirty-three".