50642791 has 2 divisors, whose sum is σ = 50642792. Its totient is φ = 50642790.

The previous prime is 50642773. The next prime is 50642807. The reversal of 50642791 is 19724605.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 50642791 - 2⁹ = 50642279 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50642741) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25321395 + 25321396.

It is an arithmetic number, because the mean of its divisors is an integer number (25321396).

Almost surely, 2^50642791 is an apocalyptic number.

50642791 is a deficient number, since it is larger than the sum of its proper divisors (1).

50642791 is an equidigital number, since it uses as much as digits as its factorization.

50642791 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15120, while the sum is 34.

The square root of 50642791 is about 7116.3748495986. The cubic root of 50642791 is about 369.9751407696.

The spelling of 50642791 in words is "fifty million, six hundred forty-two thousand, seven hundred ninety-one".