50731393 has 2 divisors, whose sum is σ = 50731394. Its totient is φ = 50731392.

The previous prime is 50731381. The next prime is 50731397. The reversal of 50731393 is 39313705.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 50452609 + 278784 = 7103^2 + 528^2 .

It is a cyclic number.

It is not a de Polignac number, because 50731393 - 2⁵ = 50731361 is a prime.

It is not a weakly prime, because it can be changed into another prime (50731397) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25365696 + 25365697.

It is an arithmetic number, because the mean of its divisors is an integer number (25365697).

Almost surely, 2^50731393 is an apocalyptic number.

It is an amenable number.

50731393 is a deficient number, since it is larger than the sum of its proper divisors (1).

50731393 is an equidigital number, since it uses as much as digits as its factorization.

50731393 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8505, while the sum is 31.

The square root of 50731393 is about 7122.5973492821. The cubic root of 50731393 is about 370.1907781669.

The spelling of 50731393 in words is "fifty million, seven hundred thirty-one thousand, three hundred ninety-three".