50730257 has 2 divisors, whose sum is σ = 50730258. Its totient is φ = 50730256.

The previous prime is 50730233. The next prime is 50730263. The reversal of 50730257 is 75203705.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 42198016 + 8532241 = 6496^2 + 2921^2 .

It is a cyclic number.

It is not a de Polignac number, because 50730257 - 2¹⁸ = 50468113 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (50730217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25365128 + 25365129.

It is an arithmetic number, because the mean of its divisors is an integer number (25365129).

Almost surely, 2^50730257 is an apocalyptic number.

It is an amenable number.

50730257 is a deficient number, since it is larger than the sum of its proper divisors (1).

50730257 is an equidigital number, since it uses as much as digits as its factorization.

50730257 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7350, while the sum is 29.

The square root of 50730257 is about 7122.5176026459. The cubic root of 50730257 is about 370.1880149872.

The spelling of 50730257 in words is "fifty million, seven hundred thirty thousand, two hundred fifty-seven".