52642287441 has 12 divisors (see below), whose sum is σ = 76954991568. Its totient is φ = 34672028184.

The previous prime is 52642287437. The next prime is 52642287469. The reversal of 52642287441 is 14478224625.

52642287441 is a `hidden beast` number, since 52 + 64 + 22 + 87 + 441 = 666.

It is not a de Polignac number, because 52642287441 - 2² = 52642287437 is a prime.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (52642287491) 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 11 ways as a sum of consecutive naturals, for example, 35235055 + ... + 35236548.

It is an arithmetic number, because the mean of its divisors is an integer number (6412915964).

Almost surely, 2^52642287441 is an apocalyptic number.

It is an amenable number.

52642287441 is a deficient number, since it is larger than the sum of its proper divisors (24312704127).

52642287441 is a wasteful number, since it uses less digits than its factorization.

52642287441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70471692 (or 70471689 counting only the distinct ones).

The product of its digits is 860160, while the sum is 45.

The spelling of 52642287441 in words is "fifty-two billion, six hundred forty-two million, two hundred eighty-seven thousand, four hundred forty-one".