49105219 has 4 divisors (see below), whose sum is σ = 49480200. Its totient is φ = 48730240.

The previous prime is 49105213. The next prime is 49105229. The reversal of 49105219 is 91250194.

49105219 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 a cyclic number.

It is not a de Polignac number, because 49105219 - 2⁵ = 49105187 is a prime.

It is a super-2 number, since 2×49105219² = 4822645066075922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (49105213) 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, 187294 + ... + 187555.

It is an arithmetic number, because the mean of its divisors is an integer number (12370050).

Almost surely, 2^49105219 is an apocalyptic number.

49105219 is a deficient number, since it is larger than the sum of its proper divisors (374981).

49105219 is a wasteful number, since it uses less digits than its factorization.

49105219 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 374980.

The product of its (nonzero) digits is 3240, while the sum is 31.

The square root of 49105219 is about 7007.5116125484. The cubic root of 49105219 is about 366.1923078879.

The spelling of 49105219 in words is "forty-nine million, one hundred five thousand, two hundred nineteen".