49785783 has 16 divisors (see below), whose sum is σ = 68822016. Its totient is φ = 31979520.

The previous prime is 49785751. The next prime is 49785803. The reversal of 49785783 is 38758794.

It is not a de Polignac number, because 49785783 - 2⁵ = 49785751 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49785733) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22860 + ... + 24942.

It is an arithmetic number, because the mean of its divisors is an integer number (4301376).

Almost surely, 2^49785783 is an apocalyptic number.

49785783 is a deficient number, since it is larger than the sum of its proper divisors (19036233).

49785783 is a wasteful number, since it uses less digits than its factorization.

49785783 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2374.

The product of its digits is 1693440, while the sum is 51.

The square root of 49785783 is about 7055.9041234983. The cubic root of 49785783 is about 367.8762752591.

The spelling of 49785783 in words is "forty-nine million, seven hundred eighty-five thousand, seven hundred eighty-three".