52133215444 has 12 divisors (see below), whose sum is σ = 96599781684. Its totient is φ = 24533277824.

The previous prime is 52133215411. The next prime is 52133215483. The reversal of 52133215444 is 44451233125.

It can be written as a sum of positive squares in 2 ways, for example, as 29343690000 + 22789525444 = 171300^2 + 150962^2 .

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 383332399 + ... + 383332534.

It is an arithmetic number, because the mean of its divisors is an integer number (8049981807).

Almost surely, 2^52133215444 is an apocalyptic number.

It is an amenable number.

52133215444 is a deficient number, since it is larger than the sum of its proper divisors (44466566240).

52133215444 is a wasteful number, since it uses less digits than its factorization.

52133215444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 766664954 (or 766664952 counting only the distinct ones).

The product of its digits is 57600, while the sum is 34.

Adding to 52133215444 its reverse (44451233125), we get a palindrome (96584448569).

The spelling of 52133215444 in words is "fifty-two billion, one hundred thirty-three million, two hundred fifteen thousand, four hundred forty-four".