52532442321 has 16 divisors (see below), whose sum is σ = 73105441920. Its totient is φ = 33522769280.

The previous prime is 52532442317. The next prime is 52532442437. The reversal of 52532442321 is 12324423525.

It is a cyclic number.

It is not a de Polignac number, because 52532442321 - 2² = 52532442317 is a prime.

It is not an unprimeable number, because it can be changed into a prime (52532452321) 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 15 ways as a sum of consecutive naturals, for example, 4022661 + ... + 4035698.

It is an arithmetic number, because the mean of its divisors is an integer number (4569090120).

Almost surely, 2^52532442321 is an apocalyptic number.

It is an amenable number.

52532442321 is a deficient number, since it is larger than the sum of its proper divisors (20572999599).

52532442321 is a wasteful number, since it uses less digits than its factorization.

52532442321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8058456.

The product of its digits is 57600, while the sum is 33.

Adding to 52532442321 its reverse (12324423525), we get a palindrome (64856865846).

It can be divided in two parts, 525324 and 42321, that added together give a triangular number (567645 = T₁₀₆₅).

The spelling of 52532442321 in words is "fifty-two billion, five hundred thirty-two million, four hundred forty-two thousand, three hundred twenty-one".