550445047 has 2 divisors, whose sum is σ = 550445048. Its totient is φ = 550445046.

The previous prime is 550445017. The next prime is 550445053. The reversal of 550445047 is 740544055.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 550445047 - 2²³ = 542056439 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (550445017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 275222523 + 275222524.

It is an arithmetic number, because the mean of its divisors is an integer number (275222524).

Almost surely, 2^550445047 is an apocalyptic number.

550445047 is a deficient number, since it is larger than the sum of its proper divisors (1).

550445047 is an equidigital number, since it uses as much as digits as its factorization.

550445047 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 56000, while the sum is 34.

The square root of 550445047 is about 23461.5653143604. The cubic root of 550445047 is about 819.5422028224.

The spelling of 550445047 in words is "five hundred fifty million, four hundred forty-five thousand, forty-seven".