50457109 has 2 divisors, whose sum is σ = 50457110. Its totient is φ = 50457108.

The previous prime is 50457061. The next prime is 50457133. The reversal of 50457109 is 90175405.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 33466225 + 16990884 = 5785^2 + 4122^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-50457109 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50457149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25228554 + 25228555.

It is an arithmetic number, because the mean of its divisors is an integer number (25228555).

Almost surely, 2^50457109 is an apocalyptic number.

It is an amenable number.

50457109 is a deficient number, since it is larger than the sum of its proper divisors (1).

50457109 is an equidigital number, since it uses as much as digits as its factorization.

50457109 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6300, while the sum is 31.

The square root of 50457109 is about 7103.3167605000. The cubic root of 50457109 is about 369.5224152231.

The spelling of 50457109 in words is "fifty million, four hundred fifty-seven thousand, one hundred nine".