53682109636 has 81 divisors (see below), whose sum is σ = 100763927271. Its totient is φ = 25022952000.

The previous prime is 53682109633. The next prime is 53682109643. The reversal of 53682109636 is 63690128635.

It is a happy number.

The square root of 53682109636 is 231694.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 39980002500 + 13702107136 = 199950^2 + 117056^2 .

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 53682109636.

It is not an unprimeable number, because it can be changed into a prime (53682109633) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 531505986 + ... + 531506086.

Almost surely, 2^53682109636 is an apocalyptic number.

53682109636 is the 231694-th square number.

It is an amenable number.

53682109636 is a deficient number, since it is larger than the sum of its proper divisors (47081817635).

53682109636 is a wasteful number, since it uses less digits than its factorization.

53682109636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 342 (or 171 counting only the distinct ones).

The product of its (nonzero) digits is 1399680, while the sum is 49.

Multiplying 53682109636 by its sum of digits (49), we get a square (2630423372164 = 1621858²).

The spelling of 53682109636 in words is "fifty-three billion, six hundred eighty-two million, one hundred nine thousand, six hundred thirty-six".