49487843 has 4 divisors (see below), whose sum is σ = 50326680. Its totient is φ = 48649008.

The previous prime is 49487839. The next prime is 49487857. The reversal of 49487843 is 34878494.

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

It is a cyclic number.

It is not a de Polignac number, because 49487843 - 2² = 49487839 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (49487143) 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, 419330 + ... + 419447.

It is an arithmetic number, because the mean of its divisors is an integer number (12581670).

Almost surely, 2^49487843 is an apocalyptic number.

49487843 is a deficient number, since it is larger than the sum of its proper divisors (838837).

49487843 is an equidigital number, since it uses as much as digits as its factorization.

49487843 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 838836.

The product of its digits is 774144, while the sum is 47.

The square root of 49487843 is about 7034.7596263128. The cubic root of 49487843 is about 367.1409620682.

The spelling of 49487843 in words is "forty-nine million, four hundred eighty-seven thousand, eight hundred forty-three".