52617615667 has 8 divisors (see below), whose sum is σ = 55438797200. Its totient is φ = 49801617504.

The previous prime is 52617615623. The next prime is 52617615703. The reversal of 52617615667 is 76651671625.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-52617615667 is a prime.

It is a super-2 number, since 2×52617615667² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52617615067) 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, 1274988 + ... + 1315609.

It is an arithmetic number, because the mean of its divisors is an integer number (6929849650).

Almost surely, 2^52617615667 is an apocalyptic number.

52617615667 is a deficient number, since it is larger than the sum of its proper divisors (2821181533).

52617615667 is a wasteful number, since it uses less digits than its factorization.

52617615667 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2591685.

The product of its digits is 3175200, while the sum is 52.

The spelling of 52617615667 in words is "fifty-two billion, six hundred seventeen million, six hundred fifteen thousand, six hundred sixty-seven".