5517778344 has 96 divisors (see below), whose sum is σ = 14991389280. Its totient is φ = 1691619072.

The previous prime is 5517778337. The next prime is 5517778433. The reversal of 5517778344 is 4438777155.

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, 1186087 + ... + 1190729.

It is an arithmetic number, because the mean of its divisors is an integer number (156160305).

Almost surely, 2^5517778344 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 5517778344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7495694640).

5517778344 is an abundant number, since it is smaller than the sum of its proper divisors (9473610936).

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

5517778344 is a wasteful number, since it uses less digits than its factorization.

5517778344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4971 (or 4954 counting only the distinct ones).

The product of its digits is 3292800, while the sum is 51.

The square root of 5517778344 is about 74281.7497370653. The cubic root of 5517778344 is about 1767.0740537822.

The spelling of 5517778344 in words is "five billion, five hundred seventeen million, seven hundred seventy-eight thousand, three hundred forty-four".