550472227 has 4 divisors (see below), whose sum is σ = 550543176. Its totient is φ = 550401280.

The previous prime is 550472213. The next prime is 550472231. The reversal of 550472227 is 722274055.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 550472227 - 2¹⁹ = 549947939 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 550472192 and 550472201.

It is not an unprimeable number, because it can be changed into a prime (550472267) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 22174 + ... + 39907.

It is an arithmetic number, because the mean of its divisors is an integer number (137635794).

Almost surely, 2^550472227 is an apocalyptic number.

550472227 is a deficient number, since it is larger than the sum of its proper divisors (70949).

550472227 is an equidigital number, since it uses as much as digits as its factorization.

550472227 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70948.

The product of its (nonzero) digits is 39200, while the sum is 34.

The square root of 550472227 is about 23462.1445524487. The cubic root of 550472227 is about 819.5556917805. Note that the first 3 decimals are identical.

The spelling of 550472227 in words is "five hundred fifty million, four hundred seventy-two thousand, two hundred twenty-seven".