5549449320 has 384 divisors, whose sum is σ = 19918080000. Its totient is φ = 1385683200.

The previous prime is 5549449313. The next prime is 5549449337. The reversal of 5549449320 is 239449455.

5549449320 is a `hidden beast` number, since 5 + 54 + 94 + 493 + 20 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 27886581 + ... + 27886779.

It is an arithmetic number, because the mean of its divisors is an integer number (51870000).

Almost surely, 2^5549449320 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 5549449320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9959040000).

5549449320 is an abundant number, since it is smaller than the sum of its proper divisors (14368630680).

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

5549449320 is a wasteful number, since it uses less digits than its factorization.

5549449320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 395 (or 379 counting only the distinct ones).

The product of its (nonzero) digits is 777600, while the sum is 45.

The square root of 5549449320 is about 74494.6261149084. The cubic root of 5549449320 is about 1770.4484930708.

The spelling of 5549449320 in words is "five billion, five hundred forty-nine million, four hundred forty-nine thousand, three hundred twenty".