5217522768 has 360 divisors, whose sum is σ = 16841283200. Its totient is φ = 1545882624.

The previous prime is 5217522763. The next prime is 5217522769. The reversal of 5217522768 is 8672257125.

5217522768 is a `hidden beast` number, since 52 + 1 + 7 + 522 + 76 + 8 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5217522763) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 66044553 + ... + 66044631.

Almost surely, 2^5217522768 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5217522768, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8420641600).

5217522768 is an abundant number, since it is smaller than the sum of its proper divisors (11623760432).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5217522768 is a wasteful number, since it uses less digits than its factorization.

5217522768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176 (or 124 counting only the distinct ones).

The product of its digits is 470400, while the sum is 45.

The square root of 5217522768 is about 72232.4218616543. The cubic root of 5217522768 is about 1734.4220425984.

The spelling of 5217522768 in words is "five billion, two hundred seventeen million, five hundred twenty-two thousand, seven hundred sixty-eight".