49999783 has 2 divisors, whose sum is σ = 49999784. Its totient is φ = 49999782.

The previous prime is 49999777. The next prime is 49999801. The reversal of 49999783 is 38799994.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 49999783 - 2⁵ = 49999751 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (49999753) 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 as a sum of consecutive naturals, namely, 24999891 + 24999892.

It is an arithmetic number, because the mean of its divisors is an integer number (24999892).

Almost surely, 2^49999783 is an apocalyptic number.

49999783 is a deficient number, since it is larger than the sum of its proper divisors (1).

49999783 is an equidigital number, since it uses as much as digits as its factorization.

49999783 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4408992, while the sum is 58.

The square root of 49999783 is about 7071.0524676317. The cubic root of 49999783 is about 368.4026169067.

The spelling of 49999783 in words is "forty-nine million, nine hundred ninety-nine thousand, seven hundred eighty-three".