50415401 has 2 divisors, whose sum is σ = 50415402. Its totient is φ = 50415400.

The previous prime is 50415383. The next prime is 50415403. The reversal of 50415401 is 10451405.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 50395801 + 19600 = 7099^2 + 140^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-50415401 is a prime.

It is a Sophie Germain prime.

Together with 50415403, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (50415403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25207700 + 25207701.

It is an arithmetic number, because the mean of its divisors is an integer number (25207701).

Almost surely, 2^50415401 is an apocalyptic number.

It is an amenable number.

50415401 is a deficient number, since it is larger than the sum of its proper divisors (1).

50415401 is an equidigital number, since it uses as much as digits as its factorization.

50415401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 400, while the sum is 20.

The square root of 50415401 is about 7100.3803419254. The cubic root of 50415401 is about 369.4205710383.

Adding to 50415401 its reverse (10451405), we get a palindrome (60866806).

The spelling of 50415401 in words is "fifty million, four hundred fifteen thousand, four hundred one".