49330191 has 4 divisors (see below), whose sum is σ = 65773592. Its totient is φ = 32886792.

The previous prime is 49330187. The next prime is 49330199. The reversal of 49330191 is 19103394.

49330191 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 49330191 - 2² = 49330187 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 (49330199) 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 in 3 ways as a sum of consecutive naturals, for example, 8221696 + ... + 8221701.

It is an arithmetic number, because the mean of its divisors is an integer number (16443398).

Almost surely, 2^49330191 is an apocalyptic number.

49330191 is a deficient number, since it is larger than the sum of its proper divisors (16443401).

49330191 is a wasteful number, since it uses less digits than its factorization.

49330191 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16443400.

The product of its (nonzero) digits is 2916, while the sum is 30.

The square root of 49330191 is about 7023.5454721956. The cubic root of 49330191 is about 366.7506838691.

The spelling of 49330191 in words is "forty-nine million, three hundred thirty thousand, one hundred ninety-one".