50101901 has 2 divisors, whose sum is σ = 50101902. Its totient is φ = 50101900.

The previous prime is 50101897. The next prime is 50101903. The reversal of 50101901 is 10910105.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 30085225 + 20016676 = 5485^2 + 4474^2 .

It is a cyclic number.

It is not a de Polignac number, because 50101901 - 2² = 50101897 is a prime.

Together with 50101903, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 50101901.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50101903) 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, 25050950 + 25050951.

It is an arithmetic number, because the mean of its divisors is an integer number (25050951).

Almost surely, 2^50101901 is an apocalyptic number.

It is an amenable number.

50101901 is a deficient number, since it is larger than the sum of its proper divisors (1).

50101901 is an equidigital number, since it uses as much as digits as its factorization.

50101901 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 45, while the sum is 17.

The square root of 50101901 is about 7078.2696331801. The cubic root of 50101901 is about 368.6532510330.

The spelling of 50101901 in words is "fifty million, one hundred one thousand, nine hundred one".