549853920 has 960 divisors, whose sum is σ = 2634508800. Its totient is φ = 104509440.

The previous prime is 549853897. The next prime is 549853921. The reversal of 549853920 is 29358945.

549853920 is a `hidden beast` number, since 5 + 4 + 98 + 539 + 20 = 666.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (549853921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 18960466 + ... + 18960494.

It is an arithmetic number, because the mean of its divisors is an integer number (2744280).

Almost surely, 2^549853920 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 549853920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1317254400).

549853920 is an abundant number, since it is smaller than the sum of its proper divisors (2084654880).

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

549853920 is a wasteful number, since it uses less digits than its factorization.

549853920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93 (or 76 counting only the distinct ones).

The product of its (nonzero) digits is 388800, while the sum is 45.

The square root of 549853920 is about 23448.9641562266. The cubic root of 549853920 is about 819.2487269346.

The spelling of 549853920 in words is "five hundred forty-nine million, eight hundred fifty-three thousand, nine hundred twenty".