52642905286 has 4 divisors (see below), whose sum is σ = 78964357932. Its totient is φ = 26321452642.

The previous prime is 52642905257. The next prime is 52642905311. The reversal of 52642905286 is 68250924625.

It is a semiprime because it is the product of two primes.

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 as a sum of consecutive naturals, namely, 13160726320 + ... + 13160726323.

It is an arithmetic number, because the mean of its divisors is an integer number (19741089483).

Almost surely, 2^52642905286 is an apocalyptic number.

52642905286 is a deficient number, since it is larger than the sum of its proper divisors (26321452646).

52642905286 is a wasteful number, since it uses less digits than its factorization.

52642905286 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26321452645.

The product of its (nonzero) digits is 2073600, while the sum is 49.

The spelling of 52642905286 in words is "fifty-two billion, six hundred forty-two million, nine hundred five thousand, two hundred eighty-six".