50047381 has 2 divisors, whose sum is σ = 50047382. Its totient is φ = 50047380.

The previous prime is 50047363. The next prime is 50047397. The reversal of 50047381 is 18374005.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 49928356 + 119025 = 7066^2 + 345^2 .

It is a cyclic number.

It is not a de Polignac number, because 50047381 - 2⁷ = 50047253 is a prime.

It is a super-2 number, since 2×50047381² = 5009480689918322, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50047331) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25023690 + 25023691.

It is an arithmetic number, because the mean of its divisors is an integer number (25023691).

Almost surely, 2^50047381 is an apocalyptic number.

It is an amenable number.

50047381 is a deficient number, since it is larger than the sum of its proper divisors (1).

50047381 is an equidigital number, since it uses as much as digits as its factorization.

50047381 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3360, while the sum is 28.

The square root of 50047381 is about 7074.4173611683. The cubic root of 50047381 is about 368.5194818566.

The spelling of 50047381 in words is "fifty million, forty-seven thousand, three hundred eighty-one".