5520079638 has 64 divisors (see below), whose sum is σ = 12597534720. Its totient is φ = 1790976096.

The previous prime is 5520079637. The next prime is 5520079679. The reversal of 5520079638 is 8369700255.

It is a happy number.

5520079638 is a `hidden beast` number, since 5 + 5 + 2 + 0 + 0 + 7 + 9 + 638 = 666.

It is a super-2 number, since 2×5520079638² = 60942558419724422088, which contains 22 as substring.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 5520079593 and 5520079602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5520079637) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 355881 + ... + 371067.

It is an arithmetic number, because the mean of its divisors is an integer number (196836480).

Almost surely, 2^5520079638 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5520079638, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6298767360).

5520079638 is an abundant number, since it is smaller than the sum of its proper divisors (7077455082).

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

5520079638 is a wasteful number, since it uses less digits than its factorization.

5520079638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15378 (or 15372 counting only the distinct ones).

The product of its (nonzero) digits is 453600, while the sum is 45.

The square root of 5520079638 is about 74297.2384278178. The cubic root of 5520079638 is about 1767.3196835418.

The spelling of 5520079638 in words is "five billion, five hundred twenty million, seventy-nine thousand, six hundred thirty-eight".