50979847 has 2 divisors, whose sum is σ = 50979848. Its totient is φ = 50979846.

The previous prime is 50979839. The next prime is 50979871. The reversal of 50979847 is 74897905.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 50979847 - 2³ = 50979839 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 50979847.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50979547) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25489923 + 25489924.

It is an arithmetic number, because the mean of its divisors is an integer number (25489924).

Almost surely, 2^50979847 is an apocalyptic number.

50979847 is a deficient number, since it is larger than the sum of its proper divisors (1).

50979847 is an equidigital number, since it uses as much as digits as its factorization.

50979847 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 635040, while the sum is 49.

The square root of 50979847 is about 7140.0172968978. The cubic root of 50979847 is about 370.7941234420.

The spelling of 50979847 in words is "fifty million, nine hundred seventy-nine thousand, eight hundred forty-seven".