5549491680 has 96 divisors (see below), whose sum is σ = 17650773504. Its totient is φ = 1465483776.

The previous prime is 5549491639. The next prime is 5549491693. The reversal of 5549491680 is 861949455.

It is a tau number, because it is divible by the number of its divisors (96).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6684 + ... + 105563.

It is an arithmetic number, because the mean of its divisors is an integer number (183862224).

Almost surely, 2^5549491680 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 5549491680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8825386752).

5549491680 is an abundant number, since it is smaller than the sum of its proper divisors (12101281824).

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

5549491680 is a wasteful number, since it uses less digits than its factorization.

5549491680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112368 (or 112360 counting only the distinct ones).

The product of its (nonzero) digits is 1555200, while the sum is 51.

The square root of 5549491680 is about 74494.9104301764. The cubic root of 5549491680 is about 1770.4529977825.

The spelling of 5549491680 in words is "five billion, five hundred forty-nine million, four hundred ninety-one thousand, six hundred eighty".