49820783 has 4 divisors (see below), whose sum is σ = 51986928. Its totient is φ = 47654640.

The previous prime is 49820779. The next prime is 49820801. The reversal of 49820783 is 38702894.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 38702894 = 2 ⋅19351447.

It is a cyclic number.

It is not a de Polignac number, because 49820783 - 2² = 49820779 is a prime.

It is a super-2 number, since 2×49820783² = 4964220837466178, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 49820783.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49820773) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1083038 + ... + 1083083.

It is an arithmetic number, because the mean of its divisors is an integer number (12996732).

Almost surely, 2^49820783 is an apocalyptic number.

49820783 is a deficient number, since it is larger than the sum of its proper divisors (2166145).

49820783 is a wasteful number, since it uses less digits than its factorization.

49820783 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2166144.

The product of its (nonzero) digits is 96768, while the sum is 41.

The square root of 49820783 is about 7058.3838801811. The cubic root of 49820783 is about 367.9624622037.

The spelling of 49820783 in words is "forty-nine million, eight hundred twenty thousand, seven hundred eighty-three".