50418331 has 2 divisors, whose sum is σ = 50418332. Its totient is φ = 50418330.

The previous prime is 50418301. The next prime is 50418341. The reversal of 50418331 is 13381405.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 50418331 - 2⁹ = 50417819 is a prime.

It is a super-2 number, since 2×50418331² = 5084016201651122, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 50418296 and 50418305.

It is not a weakly prime, because it can be changed into another prime (50418301) 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, 25209165 + 25209166.

It is an arithmetic number, because the mean of its divisors is an integer number (25209166).

Almost surely, 2^50418331 is an apocalyptic number.

50418331 is a deficient number, since it is larger than the sum of its proper divisors (1).

50418331 is an equidigital number, since it uses as much as digits as its factorization.

50418331 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 50418331 is about 7100.5866659030. The cubic root of 50418331 is about 369.4277274580.

Adding to 50418331 its reverse (13381405), we get a palindrome (63799736).

The spelling of 50418331 in words is "fifty million, four hundred eighteen thousand, three hundred thirty-one".