49871049 has 4 divisors (see below), whose sum is σ = 66494736. Its totient is φ = 33247364.

The previous prime is 49871023. The next prime is 49871071. The reversal of 49871049 is 94017894.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 49871049 - 2¹⁶ = 49805513 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 49871049.

It is not an unprimeable number, because it can be changed into a prime (49871009) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8311839 + ... + 8311844.

It is an arithmetic number, because the mean of its divisors is an integer number (16623684).

Almost surely, 2^49871049 is an apocalyptic number.

It is an amenable number.

49871049 is a deficient number, since it is larger than the sum of its proper divisors (16623687).

49871049 is a wasteful number, since it uses less digits than its factorization.

49871049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16623686.

The product of its (nonzero) digits is 72576, while the sum is 42.

The square root of 49871049 is about 7061.9437126049. The cubic root of 49871049 is about 368.0861708454.

The spelling of 49871049 in words is "forty-nine million, eight hundred seventy-one thousand, forty-nine".