549216870 has 16 divisors (see below), whose sum is σ = 1318120560. Its totient is φ = 146457824.

The previous prime is 549216847. The next prime is 549216881. The reversal of 549216870 is 78612945.

549216870 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

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, 9153585 + ... + 9153644.

It is an arithmetic number, because the mean of its divisors is an integer number (82382535).

Almost surely, 2^549216870 is an apocalyptic number.

549216870 is an abundant number, since it is smaller than the sum of its proper divisors (768903690).

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

549216870 is a wasteful number, since it uses less digits than its factorization.

549216870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18307239.

The product of its (nonzero) digits is 120960, while the sum is 42.

The square root of 549216870 is about 23435.3764637993. The cubic root of 549216870 is about 818.9322161501.

The spelling of 549216870 in words is "five hundred forty-nine million, two hundred sixteen thousand, eight hundred seventy".