49173982 has 16 divisors (see below), whose sum is σ = 86656752. Its totient is φ = 20632320.

The previous prime is 49173947. The next prime is 49173989. The reversal of 49173982 is 28937194.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49173989) 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 7 ways as a sum of consecutive naturals, for example, 85683 + ... + 86254.

It is an arithmetic number, because the mean of its divisors is an integer number (5416047).

Almost surely, 2^49173982 is an apocalyptic number.

49173982 is a deficient number, since it is larger than the sum of its proper divisors (37482770).

49173982 is a wasteful number, since it uses less digits than its factorization.

49173982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171963.

The product of its digits is 108864, while the sum is 43.

The square root of 49173982 is about 7012.4162740100. The cubic root of 49173982 is about 366.3631569188.

The spelling of 49173982 in words is "forty-nine million, one hundred seventy-three thousand, nine hundred eighty-two".