49808783 has 4 divisors (see below), whose sum is σ = 49870128. Its totient is φ = 49747440.

The previous prime is 49808779. The next prime is 49808791. The reversal of 49808783 is 38780894.

49808783 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 is a cyclic number.

It is not a de Polignac number, because 49808783 - 2² = 49808779 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49808713) by changing a digit.

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, 29438 + ... + 31083.

It is an arithmetic number, because the mean of its divisors is an integer number (12467532).

Almost surely, 2^49808783 is an apocalyptic number.

49808783 is a deficient number, since it is larger than the sum of its proper divisors (61345).

49808783 is an equidigital number, since it uses as much as digits as its factorization.

49808783 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61344.

The product of its (nonzero) digits is 387072, while the sum is 47.

The square root of 49808783 is about 7057.5337760439. The cubic root of 49808783 is about 367.9329169427.

The spelling of 49808783 in words is "forty-nine million, eight hundred eight thousand, seven hundred eighty-three".