550945700 has 72 divisors (see below), whose sum is σ = 1240233120. Its totient is φ = 212281600.

The previous prime is 550945667. The next prime is 550945721. The reversal of 550945700 is 7549055.

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 23 ways as a sum of consecutive naturals, for example, 339491 + ... + 341109.

It is an arithmetic number, because the mean of its divisors is an integer number (17225460).

Almost surely, 2^550945700 is an apocalyptic number.

550945700 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 550945700, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (620116560).

550945700 is an abundant number, since it is smaller than the sum of its proper divisors (689287420).

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

550945700 is a wasteful number, since it uses less digits than its factorization.

550945700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1757 (or 1750 counting only the distinct ones).

The product of its (nonzero) digits is 31500, while the sum is 35.

The square root of 550945700 is about 23472.2325312272. The cubic root of 550945700 is about 819.7905969359.

The spelling of 550945700 in words is "five hundred fifty million, nine hundred forty-five thousand, seven hundred".