52217240535 has 24 divisors (see below), whose sum is σ = 90532784160. Its totient is φ = 27842148672.

The previous prime is 52217240521. The next prime is 52217240597. The reversal of 52217240535 is 53504271225.

52217240535 is a `hidden beast` number, since 5 + 2 + 217 + 2 + 405 + 35 = 666.

It is not a de Polignac number, because 52217240535 - 2⁴ = 52217240519 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 52217240535.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 35521 + ... + 325109.

It is an arithmetic number, because the mean of its divisors is an integer number (3772199340).

Almost surely, 2^52217240535 is an apocalyptic number.

52217240535 is a deficient number, since it is larger than the sum of its proper divisors (38315543625).

52217240535 is a wasteful number, since it uses less digits than its factorization.

52217240535 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 293607 (or 293604 counting only the distinct ones).

The product of its (nonzero) digits is 84000, while the sum is 36.

The spelling of 52217240535 in words is "fifty-two billion, two hundred seventeen million, two hundred forty thousand, five hundred thirty-five".