50378891 has 2 divisors, whose sum is σ = 50378892. Its totient is φ = 50378890.

The previous prime is 50378879. The next prime is 50378893. The reversal of 50378891 is 19887305.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 50378891 - 2⁶ = 50378827 is a prime.

Together with 50378893, 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 (50378893) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25189445 + 25189446.

It is an arithmetic number, because the mean of its divisors is an integer number (25189446).

Almost surely, 2^50378891 is an apocalyptic number.

50378891 is a deficient number, since it is larger than the sum of its proper divisors (1).

50378891 is an equidigital number, since it uses as much as digits as its factorization.

50378891 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 60480, while the sum is 41.

The square root of 50378891 is about 7097.8088872553. The cubic root of 50378891 is about 369.3313734128.

The spelling of 50378891 in words is "fifty million, three hundred seventy-eight thousand, eight hundred ninety-one".