49404049 has 12 divisors (see below), whose sum is σ = 51655860. Its totient is φ = 47244000.

The previous prime is 49404013. The next prime is 49404059. The reversal of 49404049 is 94040494.

It is a happy number.

49404049 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 44422225 + 4981824 = 6665^2 + 2232^2 .

It is a de Polignac number, because none of the positive numbers 2^k-49404049 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (49404059) 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 11 ways as a sum of consecutive naturals, for example, 96807 + ... + 97315.

It is an arithmetic number, because the mean of its divisors is an integer number (4304655).

Almost surely, 2^49404049 is an apocalyptic number.

It is an amenable number.

49404049 is a deficient number, since it is larger than the sum of its proper divisors (2251811).

49404049 is a wasteful number, since it uses less digits than its factorization.

49404049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 672 (or 641 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 34.

The square root of 49404049 is about 7028.8013914180. The cubic root of 49404049 is about 366.9336277154.

The spelling of 49404049 in words is "forty-nine million, four hundred four thousand, forty-nine".