191449055 has 8 divisors (see below), whose sum is σ = 262558752. Its totient is φ = 131279328.

The previous prime is 191449051. The next prime is 191449081. The reversal of 191449055 is 550944191.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 191449055 - 2² = 191449051 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (191449051) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2734952 + ... + 2735021.

It is an arithmetic number, because the mean of its divisors is an integer number (32819844).

Almost surely, 2^191449055 is an apocalyptic number.

191449055 is a deficient number, since it is larger than the sum of its proper divisors (71109697).

191449055 is an equidigital number, since it uses as much as digits as its factorization.

191449055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5469985.

The product of its (nonzero) digits is 32400, while the sum is 38.

The square root of 191449055 is about 13836.5116629879. The cubic root of 191449055 is about 576.3474937897.

The spelling of 191449055 in words is "one hundred ninety-one million, four hundred forty-nine thousand, fifty-five".