50974139 has 2 divisors, whose sum is σ = 50974140. Its totient is φ = 50974138.

The previous prime is 50974103. The next prime is 50974163. The reversal of 50974139 is 93147905.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 50974139 - 2⁸ = 50973883 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (50974939) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25487069 + 25487070.

It is an arithmetic number, because the mean of its divisors is an integer number (25487070).

Almost surely, 2^50974139 is an apocalyptic number.

50974139 is a deficient number, since it is larger than the sum of its proper divisors (1).

50974139 is an equidigital number, since it uses as much as digits as its factorization.

50974139 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 34020, while the sum is 38.

The square root of 50974139 is about 7139.6175667889. The cubic root of 50974139 is about 370.7802841704.

The spelling of 50974139 in words is "fifty million, nine hundred seventy-four thousand, one hundred thirty-nine".