550710191 has 2 divisors, whose sum is σ = 550710192. Its totient is φ = 550710190.

The previous prime is 550710169. The next prime is 550710221. The reversal of 550710191 is 191017055.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-550710191 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (550710101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 275355095 + 275355096.

It is an arithmetic number, because the mean of its divisors is an integer number (275355096).

Almost surely, 2^550710191 is an apocalyptic number.

550710191 is a deficient number, since it is larger than the sum of its proper divisors (1).

550710191 is an equidigital number, since it uses as much as digits as its factorization.

550710191 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1575, while the sum is 29.

The square root of 550710191 is about 23467.2152374328. The cubic root of 550710191 is about 819.6737701899.

The spelling of 550710191 in words is "five hundred fifty million, seven hundred ten thousand, one hundred ninety-one".