50390101 has 2 divisors, whose sum is σ = 50390102. Its totient is φ = 50390100.

The previous prime is 50390099. The next prime is 50390117. The reversal of 50390101 is 10109305.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 50339025 + 51076 = 7095^2 + 226^2 .

It is a cyclic number.

It is not a de Polignac number, because 50390101 - 2¹ = 50390099 is a prime.

Together with 50390099, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50390801) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25195050 + 25195051.

It is an arithmetic number, because the mean of its divisors is an integer number (25195051).

Almost surely, 2^50390101 is an apocalyptic number.

It is an amenable number.

50390101 is a deficient number, since it is larger than the sum of its proper divisors (1).

50390101 is an equidigital number, since it uses as much as digits as its factorization.

50390101 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 135, while the sum is 19.

The square root of 50390101 is about 7098.5985236524. The cubic root of 50390101 is about 369.3587651607.

Adding to 50390101 its reverse (10109305), we get a palindrome (60499406).

The spelling of 50390101 in words is "fifty million, three hundred ninety thousand, one hundred one".