52666563132 has 72 divisors (see below), whose sum is σ = 133793478000. Its totient is φ = 17468172288.

The previous prime is 52666563119. The next prime is 52666563139. The reversal of 52666563132 is 23136566625.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52666563139) 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 23 ways as a sum of consecutive naturals, for example, 6121858 + ... + 6130454.

It is an arithmetic number, because the mean of its divisors is an integer number (1858242750).

Almost surely, 2^52666563132 is an apocalyptic number.

It is an amenable number.

52666563132 is an abundant number, since it is smaller than the sum of its proper divisors (81126914868).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

52666563132 is a wasteful number, since it uses less digits than its factorization.

52666563132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9435 (or 9430 counting only the distinct ones).

The product of its digits is 1166400, while the sum is 45.

The spelling of 52666563132 in words is "fifty-two billion, six hundred sixty-six million, five hundred sixty-three thousand, one hundred thirty-two".