53013253605165 has 24 divisors (see below), whose sum is σ = 105016730951808. Its totient is φ = 24234630219360.

The previous prime is 53013253605089. The next prime is 53013253605167. The reversal of 53013253605165 is 56150635231035.

53013253605165 is a `hidden beast` number, since 5 + 3 + 0 + 1 + 3 + 2 + 536 + 0 + 51 + 65 = 666.

It is not a de Polignac number, because 53013253605165 - 2²¹ = 53013251508013 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 53013253605165.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53013253605167) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 84148021281 + ... + 84148021910.

It is an arithmetic number, because the mean of its divisors is an integer number (4375697122992).

Almost surely, 2^{53013253605165} is an apocalyptic number.

It is an amenable number.

53013253605165 is a deficient number, since it is larger than the sum of its proper divisors (52003477346643).

53013253605165 is a wasteful number, since it uses less digits than its factorization.

53013253605165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168296043209 (or 168296043206 counting only the distinct ones).

The product of its (nonzero) digits is 1215000, while the sum is 45.

The spelling of 53013253605165 in words is "fifty-three trillion, thirteen billion, two hundred fifty-three million, six hundred five thousand, one hundred sixty-five".