53660135889 has 6 divisors (see below), whose sum is σ = 77509085186. Its totient is φ = 35773423920.

The previous prime is 53660135887. The next prime is 53660135897. The reversal of 53660135889 is 98853106635.

53660135889 is a `hidden beast` number, since 53 + 6 + 6 + 0 + 1 + 3 + 588 + 9 = 666.

It can be written as a sum of positive squares in only one way, i.e., 53449740864 + 210395025 = 231192^2 + 14505^2 .

It is not a de Polignac number, because 53660135889 - 2¹ = 53660135887 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53660135887) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2981118652 + ... + 2981118669.

Almost surely, 2^53660135889 is an apocalyptic number.

It is an amenable number.

53660135889 is a deficient number, since it is larger than the sum of its proper divisors (23848949297).

53660135889 is a wasteful number, since it uses less digits than its factorization.

53660135889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5962237327 (or 5962237324 counting only the distinct ones).

The product of its (nonzero) digits is 4665600, while the sum is 54.

The spelling of 53660135889 in words is "fifty-three billion, six hundred sixty million, one hundred thirty-five thousand, eight hundred eighty-nine".