50406511 has 2 divisors, whose sum is σ = 50406512. Its totient is φ = 50406510.

The previous prime is 50406497. The next prime is 50406529. The reversal of 50406511 is 11560405.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 50406511 - 2⁷ = 50406383 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50406571) 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, 25203255 + 25203256.

It is an arithmetic number, because the mean of its divisors is an integer number (25203256).

Almost surely, 2^50406511 is an apocalyptic number.

50406511 is a deficient number, since it is larger than the sum of its proper divisors (1).

50406511 is an equidigital number, since it uses as much as digits as its factorization.

50406511 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 600, while the sum is 22.

The square root of 50406511 is about 7099.7542915231. The cubic root of 50406511 is about 369.3988558358.

Adding to 50406511 its reverse (11560405), we get a palindrome (61966916).

The spelling of 50406511 in words is "fifty million, four hundred six thousand, five hundred eleven".