50281939 has 2 divisors, whose sum is σ = 50281940. Its totient is φ = 50281938.

The previous prime is 50281897. The next prime is 50281951. The reversal of 50281939 is 93918205.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 50281939 - 2⁷ = 50281811 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 50281898 and 50281907.

It is not a weakly prime, because it can be changed into another prime (50281139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25140969 + 25140970.

It is an arithmetic number, because the mean of its divisors is an integer number (25140970).

Almost surely, 2^50281939 is an apocalyptic number.

50281939 is a deficient number, since it is larger than the sum of its proper divisors (1).

50281939 is an equidigital number, since it uses as much as digits as its factorization.

50281939 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 19440, while the sum is 37.

The square root of 50281939 is about 7090.9758848835. The cubic root of 50281939 is about 369.0943005096.

The spelling of 50281939 in words is "fifty million, two hundred eighty-one thousand, nine hundred thirty-nine".