550250188991 has 2 divisors, whose sum is σ = 550250188992. Its totient is φ = 550250188990.

The previous prime is 550250188889. The next prime is 550250189059. The reversal of 550250188991 is 199881052055.

550250188991 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 550250188991 - 2¹⁰ = 550250187967 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (550250188291) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 275125094495 + 275125094496.

It is an arithmetic number, because the mean of its divisors is an integer number (275125094496).

Almost surely, 2^550250188991 is an apocalyptic number.

550250188991 is a deficient number, since it is larger than the sum of its proper divisors (1).

550250188991 is an equidigital number, since it uses as much as digits as its factorization.

550250188991 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1296000, while the sum is 53.

The spelling of 550250188991 in words is "five hundred fifty billion, two hundred fifty million, one hundred eighty-eight thousand, nine hundred ninety-one".