50042813 has 2 divisors, whose sum is σ = 50042814. Its totient is φ = 50042812.

The previous prime is 50042807. The next prime is 50042819. The reversal of 50042813 is 31824005.

It is a balanced prime because it is at equal distance from previous prime (50042807) and next prime (50042819).

It can be written as a sum of positive squares in only one way, i.e., 26646244 + 23396569 = 5162^2 + 4837^2 .

It is a cyclic number.

It is not a de Polignac number, because 50042813 - 2⁶ = 50042749 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50042819) 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, 25021406 + 25021407.

It is an arithmetic number, because the mean of its divisors is an integer number (25021407).

Almost surely, 2^50042813 is an apocalyptic number.

It is an amenable number.

50042813 is a deficient number, since it is larger than the sum of its proper divisors (1).

50042813 is an equidigital number, since it uses as much as digits as its factorization.

50042813 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 50042813 is about 7074.0945003583. The cubic root of 50042813 is about 368.5082694935.

Adding to 50042813 its reverse (31824005), we get a palindrome (81866818).

The spelling of 50042813 in words is "fifty million, forty-two thousand, eight hundred thirteen".