550680551 has 2 divisors, whose sum is σ = 550680552. Its totient is φ = 550680550.

The previous prime is 550680523. The next prime is 550680563. The reversal of 550680551 is 155086055.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 550680551 - 2¹⁴ = 550664167 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (550686551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 275340275 + 275340276.

It is an arithmetic number, because the mean of its divisors is an integer number (275340276).

Almost surely, 2^550680551 is an apocalyptic number.

550680551 is a deficient number, since it is larger than the sum of its proper divisors (1).

550680551 is an equidigital number, since it uses as much as digits as its factorization.

550680551 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 30000, while the sum is 35.

The square root of 550680551 is about 23466.5837096072. The cubic root of 550680551 is about 819.6590645929.

The spelling of 550680551 in words is "five hundred fifty million, six hundred eighty thousand, five hundred fifty-one".