52123559685 has 32 divisors (see below), whose sum is σ = 85786259328. Its totient is φ = 27014027520.

The previous prime is 52123559671. The next prime is 52123559689. The reversal of 52123559685 is 58695532125.

It is not a de Polignac number, because 52123559685 - 2⁴ = 52123559669 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52123559689) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 267222 + ... + 419111.

It is an arithmetic number, because the mean of its divisors is an integer number (2680820604).

Almost surely, 2^52123559685 is an apocalyptic number.

It is an amenable number.

52123559685 is a deficient number, since it is larger than the sum of its proper divisors (33662699643).

52123559685 is a wasteful number, since it uses less digits than its factorization.

52123559685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 686485.

The product of its digits is 3240000, while the sum is 51.

The spelling of 52123559685 in words is "fifty-two billion, one hundred twenty-three million, five hundred fifty-nine thousand, six hundred eighty-five".