52636223385 has 32 divisors (see below), whose sum is σ = 94484033280. Its totient is φ = 27800095104.

The previous prime is 52636223383. The next prime is 52636223443. The reversal of 52636223385 is 58332263625.

52636223385 is a `hidden beast` number, since 5 + 2 + 636 + 2 + 2 + 3 + 3 + 8 + 5 = 666.

It is not a de Polignac number, because 52636223385 - 2¹ = 52636223383 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 52636223385.

It is not an unprimeable number, because it can be changed into a prime (52636223383) 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, 1878804 + ... + 1906613.

It is an arithmetic number, because the mean of its divisors is an integer number (2952626040).

Almost surely, 2^52636223385 is an apocalyptic number.

It is an amenable number.

52636223385 is a deficient number, since it is larger than the sum of its proper divisors (41847809895).

52636223385 is a wasteful number, since it uses less digits than its factorization.

52636223385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3785534 (or 3785528 counting only the distinct ones).

The product of its digits is 1555200, while the sum is 45.

The spelling of 52636223385 in words is "fifty-two billion, six hundred thirty-six million, two hundred twenty-three thousand, three hundred eighty-five".