5217538844 has 12 divisors (see below), whose sum is σ = 10435077744. Its totient is φ = 2236088064.

The previous prime is 5217538819. The next prime is 5217538853. The reversal of 5217538844 is 4488357125.

5217538844 is an admirable number.

It is a hoax number, since the sum of its digits (47) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 93170309 + ... + 93170364.

It is an arithmetic number, because the mean of its divisors is an integer number (869589812).

Almost surely, 2^5217538844 is an apocalyptic number.

It is an amenable number.

5217538844 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

5217538844 is a wasteful number, since it uses less digits than its factorization.

5217538844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 186340684 (or 186340682 counting only the distinct ones).

The product of its digits is 1075200, while the sum is 47.

The square root of 5217538844 is about 72232.5331412377. The cubic root of 5217538844 is about 1734.4238239380.

It can be divided in two parts, 52175 and 38844, that added together give a palindrome (91019).

The spelling of 5217538844 in words is "five billion, two hundred seventeen million, five hundred thirty-eight thousand, eight hundred forty-four".