49769785 has 16 divisors (see below), whose sum is σ = 64740816. Its totient is φ = 36511488.

The previous prime is 49769767. The next prime is 49769789. The reversal of 49769785 is 58796794.

It can be written as a sum of positive squares in 8 ways, for example, as 10969344 + 38800441 = 3312^2 + 6229^2 .

It is not a de Polignac number, because 49769785 - 2¹¹ = 49767737 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (49769789) 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 15 ways as a sum of consecutive naturals, for example, 7767 + ... + 12643.

It is an arithmetic number, because the mean of its divisors is an integer number (4046301).

Almost surely, 2^49769785 is an apocalyptic number.

It is an amenable number.

49769785 is a deficient number, since it is larger than the sum of its proper divisors (14971031).

49769785 is a wasteful number, since it uses less digits than its factorization.

49769785 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5052.

The product of its digits is 3810240, while the sum is 55.

The square root of 49769785 is about 7054.7703718831. The cubic root of 49769785 is about 367.8368669863.

The spelling of 49769785 in words is "forty-nine million, seven hundred sixty-nine thousand, seven hundred eighty-five".