52685573966 has 4 divisors (see below), whose sum is σ = 79028360952. Its totient is φ = 26342786982.

The previous prime is 52685573957. The next prime is 52685573971. The reversal of 52685573966 is 66937558625.

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

It is a junction number, because it is equal to n+sod(n) for n = 52685573899 and 52685573908.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13171393490 + ... + 13171393493.

It is an arithmetic number, because the mean of its divisors is an integer number (19757090238).

Almost surely, 2^52685573966 is an apocalyptic number.

52685573966 is a deficient number, since it is larger than the sum of its proper divisors (26342786986).

52685573966 is a wasteful number, since it uses less digits than its factorization.

52685573966 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26342786985.

The product of its digits is 81648000, while the sum is 62.

The spelling of 52685573966 in words is "fifty-two billion, six hundred eighty-five million, five hundred seventy-three thousand, nine hundred sixty-six".