5506065920 has 80 divisors (see below), whose sum is σ = 13325696208. Its totient is φ = 2181734400.

The previous prime is 5506065907. The next prime is 5506065949. The reversal of 5506065920 is 295606055.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 263870 + ... + 283970.

Almost surely, 2^5506065920 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 5506065920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6662848104).

5506065920 is an abundant number, since it is smaller than the sum of its proper divisors (7819630288).

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

5506065920 is a wasteful number, since it uses less digits than its factorization.

5506065920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20231 (or 20215 counting only the distinct ones).

The product of its (nonzero) digits is 81000, while the sum is 38.

The square root of 5506065920 is about 74202.8700253568. The cubic root of 5506065920 is about 1765.8228628944.

The spelling of 5506065920 in words is "five billion, five hundred six million, sixty-five thousand, nine hundred twenty".