50155771 has 2 divisors, whose sum is σ = 50155772. Its totient is φ = 50155770.

The previous prime is 50155769. The next prime is 50155783. The reversal of 50155771 is 17755105.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 50155771 - 2¹ = 50155769 is a prime.

Together with 50155769, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (50155741) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25077885 + 25077886.

It is an arithmetic number, because the mean of its divisors is an integer number (25077886).

Almost surely, 2^50155771 is an apocalyptic number.

50155771 is a deficient number, since it is larger than the sum of its proper divisors (1).

50155771 is an equidigital number, since it uses as much as digits as its factorization.

50155771 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6125, while the sum is 31.

The square root of 50155771 is about 7082.0739194109. The cubic root of 50155771 is about 368.7853301014.

The spelling of 50155771 in words is "fifty million, one hundred fifty-five thousand, seven hundred seventy-one".