49113947 has 12 divisors (see below), whose sum is σ = 51694440. Its totient is φ = 46657248.

The previous prime is 49113943. The next prime is 49113959. The reversal of 49113947 is 74931194.

It is not a de Polignac number, because 49113947 - 2² = 49113943 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 49113947.

It is not an unprimeable number, because it can be changed into a prime (49113943) 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 11 ways as a sum of consecutive naturals, for example, 119879 + ... + 120287.

It is an arithmetic number, because the mean of its divisors is an integer number (4307870).

Almost surely, 2^49113947 is an apocalyptic number.

49113947 is a deficient number, since it is larger than the sum of its proper divisors (2580493).

49113947 is a wasteful number, since it uses less digits than its factorization.

49113947 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 682 (or 659 counting only the distinct ones).

The product of its digits is 27216, while the sum is 38.

The square root of 49113947 is about 7008.1343451735. The cubic root of 49113947 is about 366.2140023716.

The spelling of 49113947 in words is "forty-nine million, one hundred thirteen thousand, nine hundred forty-seven".