550049491 has 2 divisors, whose sum is σ = 550049492. Its totient is φ = 550049490.

The previous prime is 550049471. The next prime is 550049503. The reversal of 550049491 is 194940055.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 550049491 - 2¹³ = 550041299 is a prime.

It is a super-3 number, since 3×550049491³ (a number of 27 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 550049491.

It is not a weakly prime, because it can be changed into another prime (550049471) 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, 275024745 + 275024746.

It is an arithmetic number, because the mean of its divisors is an integer number (275024746).

Almost surely, 2^550049491 is an apocalyptic number.

550049491 is a deficient number, since it is larger than the sum of its proper divisors (1).

550049491 is an equidigital number, since it uses as much as digits as its factorization.

550049491 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32400, while the sum is 37.

The square root of 550049491 is about 23453.1339270469. The cubic root of 550049491 is about 819.3458450327.

The spelling of 550049491 in words is "five hundred fifty million, forty-nine thousand, four hundred ninety-one".