53517675421165 has 8 divisors (see below), whose sum is σ = 64355284016640. Its totient is φ = 42724757996112.

The previous prime is 53517675421163. The next prime is 53517675421289. The reversal of 53517675421165 is 56112457671535.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 53517675421165 - 2¹ = 53517675421163 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53517675421163) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11172789969 + ... + 11172794758.

It is an arithmetic number, because the mean of its divisors is an integer number (8044410502080).

Almost surely, 2^{53517675421165} is an apocalyptic number.

It is an amenable number.

53517675421165 is a deficient number, since it is larger than the sum of its proper divisors (10837608595475).

53517675421165 is a wasteful number, since it uses less digits than its factorization.

53517675421165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22345585211.

The product of its digits is 26460000, while the sum is 58.

The spelling of 53517675421165 in words is "fifty-three trillion, five hundred seventeen billion, six hundred seventy-five million, four hundred twenty-one thousand, one hundred sixty-five".