550401227 has 2 divisors, whose sum is σ = 550401228. Its totient is φ = 550401226.

The previous prime is 550401149. The next prime is 550401281. The reversal of 550401227 is 722104055.

550401227 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 550401227 - 2¹² = 550397131 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 550401196 and 550401205.

It is not a weakly prime, because it can be changed into another prime (550401127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 275200613 + 275200614.

It is an arithmetic number, because the mean of its divisors is an integer number (275200614).

Almost surely, 2^550401227 is an apocalyptic number.

550401227 is a deficient number, since it is larger than the sum of its proper divisors (1).

550401227 is an equidigital number, since it uses as much as digits as its factorization.

550401227 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2800, while the sum is 26.

The square root of 550401227 is about 23460.6314279902. The cubic root of 550401227 is about 819.5204547887.

The spelling of 550401227 in words is "five hundred fifty million, four hundred one thousand, two hundred twenty-seven".