550770820 has 48 divisors (see below), whose sum is σ = 1182726720. Its totient is φ = 215385984.

The previous prime is 550770817. The next prime is 550770821. The reversal of 550770820 is 28077055.

It is not an unprimeable number, because it can be changed into a prime (550770821) 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, 184782 + ... + 187738.

It is an arithmetic number, because the mean of its divisors is an integer number (24640140).

Almost surely, 2^550770820 is an apocalyptic number.

It is an amenable number.

550770820 is an abundant number, since it is smaller than the sum of its proper divisors (631955900).

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

550770820 is a wasteful number, since it uses less digits than its factorization.

550770820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3172 (or 3170 counting only the distinct ones).

The product of its (nonzero) digits is 19600, while the sum is 34.

The square root of 550770820 is about 23468.5069827631. The cubic root of 550770820 is about 819.7038490337.

The spelling of 550770820 in words is "five hundred fifty million, seven hundred seventy thousand, eight hundred twenty".