53643216512017 has 8 divisors (see below), whose sum is σ = 61599865851360. Its totient is φ = 46199899388160.

The previous prime is 53643216511987. The next prime is 53643216512027. The reversal of 53643216512017 is 71021561234635.

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 53643216512017 - 2³⁵ = 53608856773649 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53643216512027) 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, 128333053648 + ... + 128333054065.

It is an arithmetic number, because the mean of its divisors is an integer number (7699983231420).

Almost surely, 2^{53643216512017} is an apocalyptic number.

It is an amenable number.

53643216512017 is a deficient number, since it is larger than the sum of its proper divisors (7956649339343).

53643216512017 is a wasteful number, since it uses less digits than its factorization.

53643216512017 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 256666107743.

The product of its (nonzero) digits is 907200, while the sum is 46.

The spelling of 53643216512017 in words is "fifty-three trillion, six hundred forty-three billion, two hundred sixteen million, five hundred twelve thousand, seventeen".