52215626517 has 8 divisors (see below), whose sum is σ = 69970689600. Its totient is φ = 34635490560.

The previous prime is 52215626459. The next prime is 52215626557. The reversal of 52215626517 is 71562651225.

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

It is not a de Polignac number, because 52215626517 - 2²⁶ = 52148517653 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52215626557) 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, 43731084 + ... + 43732277.

It is an arithmetic number, because the mean of its divisors is an integer number (8746336200).

Almost surely, 2^52215626517 is an apocalyptic number.

It is an amenable number.

52215626517 is a deficient number, since it is larger than the sum of its proper divisors (17755063083).

52215626517 is a wasteful number, since it uses less digits than its factorization.

52215626517 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87463563.

The product of its digits is 252000, while the sum is 42.

The spelling of 52215626517 in words is "fifty-two billion, two hundred fifteen million, six hundred twenty-six thousand, five hundred seventeen".