550875920 has 80 divisors (see below), whose sum is σ = 1488654720. Its totient is φ = 185659392.

The previous prime is 550875889. The next prime is 550875929. The reversal of 550875920 is 29578055.

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

It is not an unprimeable number, because it can be changed into a prime (550875929) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24704 + ... + 41376.

It is an arithmetic number, because the mean of its divisors is an integer number (18608184).

Almost surely, 2^550875920 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 550875920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (744327360).

550875920 is an abundant number, since it is smaller than the sum of its proper divisors (937778800).

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

550875920 is a wasteful number, since it uses less digits than its factorization.

550875920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16752 (or 16746 counting only the distinct ones).

The product of its (nonzero) digits is 126000, while the sum is 41.

The square root of 550875920 is about 23470.7460469411. The cubic root of 550875920 is about 819.7559852956.

The spelling of 550875920 in words is "five hundred fifty million, eight hundred seventy-five thousand, nine hundred twenty".