49111549 has 4 divisors (see below), whose sum is σ = 50038236. Its totient is φ = 48184864.

The previous prime is 49111519. The next prime is 49111567. The reversal of 49111549 is 94511194.

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

It can be written as a sum of positive squares in 2 ways, for example, as 21622500 + 27489049 = 4650^2 + 5243^2 .

It is a cyclic number.

It is not a de Polignac number, because 49111549 - 2⁷ = 49111421 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 (49111519) 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, 463264 + ... + 463369.

It is an arithmetic number, because the mean of its divisors is an integer number (12509559).

Almost surely, 2^49111549 is an apocalyptic number.

It is an amenable number.

49111549 is a deficient number, since it is larger than the sum of its proper divisors (926687).

49111549 is an equidigital number, since it uses as much as digits as its factorization.

49111549 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 926686.

The product of its digits is 6480, while the sum is 34.

The square root of 49111549 is about 7007.9632561822. The cubic root of 49111549 is about 366.2080421130.

The spelling of 49111549 in words is "forty-nine million, one hundred eleven thousand, five hundred forty-nine".