550617523 has 2 divisors, whose sum is σ = 550617524. Its totient is φ = 550617522.

The previous prime is 550617491. The next prime is 550617581. The reversal of 550617523 is 325716055.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 550617523 - 2⁵ = 550617491 is a prime.

It is not a weakly prime, because it can be changed into another prime (550617593) 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 as a sum of consecutive naturals, namely, 275308761 + 275308762.

It is an arithmetic number, because the mean of its divisors is an integer number (275308762).

Almost surely, 2^550617523 is an apocalyptic number.

550617523 is a deficient number, since it is larger than the sum of its proper divisors (1).

550617523 is an equidigital number, since it uses as much as digits as its factorization.

550617523 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 31500, while the sum is 34.

The square root of 550617523 is about 23465.2407402950. The cubic root of 550617523 is about 819.6277921110.

The spelling of 550617523 in words is "five hundred fifty million, six hundred seventeen thousand, five hundred twenty-three".