550473000 has 256 divisors, whose sum is σ = 2142167040. Its totient is φ = 114336000.

The previous prime is 550472969. The next prime is 550473017. The reversal of 550473000 is 374055.

It is a Harshad number since it is a multiple of its sum of digits (24).

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 63 ways as a sum of consecutive naturals, for example, 229809 + ... + 232191.

It is an arithmetic number, because the mean of its divisors is an integer number (8367840).

Almost surely, 2^550473000 is an apocalyptic number.

550473000 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 550473000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1071083520).

550473000 is an abundant number, since it is smaller than the sum of its proper divisors (1591694040).

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

550473000 is a wasteful number, since it uses less digits than its factorization.

550473000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2425 (or 2411 counting only the distinct ones).

The product of its (nonzero) digits is 2100, while the sum is 24.

The square root of 550473000 is about 23462.1610257879. The cubic root of 550473000 is about 819.5560754004.

The spelling of 550473000 in words is "five hundred fifty million, four hundred seventy-three thousand".