550090087 has 2 divisors, whose sum is σ = 550090088. Its totient is φ = 550090086.

The previous prime is 550090069. The next prime is 550090111. The reversal of 550090087 is 780090055.

550090087 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 550090087 - 2¹¹ = 550088039 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (550090187) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 275045043 + 275045044.

It is an arithmetic number, because the mean of its divisors is an integer number (275045044).

Almost surely, 2^550090087 is an apocalyptic number.

550090087 is a deficient number, since it is larger than the sum of its proper divisors (1).

550090087 is an equidigital number, since it uses as much as digits as its factorization.

550090087 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12600, while the sum is 34.

The square root of 550090087 is about 23453.9993817686. Note that the first 3 decimals coincide. The cubic root of 550090087 is about 819.3660016102.

The spelling of 550090087 in words is "five hundred fifty million, ninety thousand, eighty-seven".