50418133 has 2 divisors, whose sum is σ = 50418134. Its totient is φ = 50418132.

The previous prime is 50418127. The next prime is 50418143. The reversal of 50418133 is 33181405.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 45995524 + 4422609 = 6782^2 + 2103^2 .

It is a cyclic number.

It is not a de Polignac number, because 50418133 - 2²⁵ = 16863701 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 50418098 and 50418107.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50418143) 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, 25209066 + 25209067.

It is an arithmetic number, because the mean of its divisors is an integer number (25209067).

Almost surely, 2^50418133 is an apocalyptic number.

It is an amenable number.

50418133 is a deficient number, since it is larger than the sum of its proper divisors (1).

50418133 is an equidigital number, since it uses as much as digits as its factorization.

50418133 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 50418133 is about 7100.5727233794. The cubic root of 50418133 is about 369.4272438589.

Adding to 50418133 its reverse (33181405), we get a palindrome (83599538).

The spelling of 50418133 in words is "fifty million, four hundred eighteen thousand, one hundred thirty-three".