550641017 has 2 divisors, whose sum is σ = 550641018. Its totient is φ = 550641016.

The previous prime is 550640983. The next prime is 550641019. The reversal of 550641017 is 710146055.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 451817536 + 98823481 = 21256^2 + 9941^2 .

It is a cyclic number.

It is not a de Polignac number, because 550641017 - 2¹² = 550636921 is a prime.

Together with 550641019, 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 (550641019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 275320508 + 275320509.

It is an arithmetic number, because the mean of its divisors is an integer number (275320509).

Almost surely, 2^550641017 is an apocalyptic number.

It is an amenable number.

550641017 is a deficient number, since it is larger than the sum of its proper divisors (1).

550641017 is an equidigital number, since it uses as much as digits as its factorization.

550641017 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4200, while the sum is 29.

The square root of 550641017 is about 23465.7413477606. The cubic root of 550641017 is about 819.6394493629.

The spelling of 550641017 in words is "five hundred fifty million, six hundred forty-one thousand, seventeen".