49259191 has 4 divisors (see below), whose sum is σ = 51851800. Its totient is φ = 46666584.

The previous prime is 49259143. The next prime is 49259239. The reversal of 49259191 is 19195294.

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

It is an interprime number because it is at equal distance from previous prime (49259143) and next prime (49259239).

It is not a de Polignac number, because 49259191 - 2²¹ = 47162039 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 (49259131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1296276 + ... + 1296313.

It is an arithmetic number, because the mean of its divisors is an integer number (12962950).

Almost surely, 2^49259191 is an apocalyptic number.

49259191 is a deficient number, since it is larger than the sum of its proper divisors (2592609).

49259191 is a wasteful number, since it uses less digits than its factorization.

49259191 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2592608.

The product of its digits is 29160, while the sum is 40.

The square root of 49259191 is about 7018.4892248973. The cubic root of 49259191 is about 366.5746469727.

The spelling of 49259191 in words is "forty-nine million, two hundred fifty-nine thousand, one hundred ninety-one".