49680985 has 4 divisors (see below), whose sum is σ = 59617188. Its totient is φ = 39744784.

The previous prime is 49680979. The next prime is 49681007. The reversal of 49680985 is 58908694.

It is a happy number.

49680985 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in 2 ways, for example, as 38638656 + 11042329 = 6216^2 + 3323^2 .

It is a cyclic number.

It is not a de Polignac number, because 49680985 - 2⁹ = 49680473 is a prime.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 4968094 + ... + 4968103.

It is an arithmetic number, because the mean of its divisors is an integer number (14904297).

Almost surely, 2^49680985 is an apocalyptic number.

It is an amenable number.

49680985 is a deficient number, since it is larger than the sum of its proper divisors (9936203).

49680985 is an equidigital number, since it uses as much as digits as its factorization.

49680985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9936202.

The product of its (nonzero) digits is 622080, while the sum is 49.

The square root of 49680985 is about 7048.4739483097. The cubic root of 49680985 is about 367.6179700555.

The spelling of 49680985 in words is "forty-nine million, six hundred eighty thousand, nine hundred eighty-five".