5216523264 has 264 divisors, whose sum is σ = 16383860480. Its totient is φ = 1594183680.

The previous prime is 5216523239. The next prime is 5216523293. The reversal of 5216523264 is 4623256125.

It is a super-2 number, since 2×5216523264² = 54424229927706427392, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

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, 168274929 + ... + 168274959.

Almost surely, 2^5216523264 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 5216523264, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8191930240).

5216523264 is an abundant number, since it is smaller than the sum of its proper divisors (11167337216).

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

5216523264 is an equidigital number, since it uses as much as digits as its factorization.

5216523264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138 (or 55 counting only the distinct ones).

The product of its digits is 86400, while the sum is 36.

The square root of 5216523264 is about 72225.5028642930. The cubic root of 5216523264 is about 1734.3112829809.

Adding to 5216523264 its reverse (4623256125), we get a palindrome (9839779389).

The spelling of 5216523264 in words is "five billion, two hundred sixteen million, five hundred twenty-three thousand, two hundred sixty-four".