50839967 has 2 divisors, whose sum is σ = 50839968. Its totient is φ = 50839966.

The previous prime is 50839963. The next prime is 50839981. The reversal of 50839967 is 76993805.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 50839967 - 2² = 50839963 is a prime.

It is a super-2 number, since 2×50839967² = 5169404489122178, which contains 22 as substring.

It is a Chen prime.

It is a zygodrome in base 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50839963) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25419983 + 25419984.

It is an arithmetic number, because the mean of its divisors is an integer number (25419984).

Almost surely, 2^50839967 is an apocalyptic number.

50839967 is a deficient number, since it is larger than the sum of its proper divisors (1).

50839967 is an equidigital number, since it uses as much as digits as its factorization.

50839967 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 408240, while the sum is 47.

The square root of 50839967 is about 7130.2150738950. The cubic root of 50839967 is about 370.4546808632.

The spelling of 50839967 in words is "fifty million, eight hundred thirty-nine thousand, nine hundred sixty-seven".