550001147 has 2 divisors, whose sum is σ = 550001148. Its totient is φ = 550001146.

The previous prime is 550001143. The next prime is 550001149. The reversal of 550001147 is 741100055.

550001147 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 550001147 - 2² = 550001143 is a prime.

Together with 550001149, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (550001143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 275000573 + 275000574.

It is an arithmetic number, because the mean of its divisors is an integer number (275000574).

Almost surely, 2^550001147 is an apocalyptic number.

550001147 is a deficient number, since it is larger than the sum of its proper divisors (1).

550001147 is an equidigital number, since it uses as much as digits as its factorization.

550001147 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 700, while the sum is 23.

The square root of 550001147 is about 23452.1032532266. The cubic root of 550001147 is about 819.3218401527.

The spelling of 550001147 in words is "five hundred fifty million, one thousand, one hundred forty-seven".