52031236643 has 24 divisors (see below), whose sum is σ = 56702685312. Its totient is φ = 47578443264.

The previous prime is 52031236639. The next prime is 52031236651. The reversal of 52031236643 is 34663213025.

It is not a de Polignac number, because 52031236643 - 2² = 52031236639 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52031236633) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 23574446 + ... + 23576652.

It is an arithmetic number, because the mean of its divisors is an integer number (2362611888).

Almost surely, 2^52031236643 is an apocalyptic number.

52031236643 is a deficient number, since it is larger than the sum of its proper divisors (4671448669).

52031236643 is a wasteful number, since it uses less digits than its factorization.

52031236643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3311 (or 3274 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 35.

Adding to 52031236643 its reverse (34663213025), we get a palindrome (86694449668).

The spelling of 52031236643 in words is "fifty-two billion, thirty-one million, two hundred thirty-six thousand, six hundred forty-three".