50851147 has 2 divisors, whose sum is σ = 50851148. Its totient is φ = 50851146.

The previous prime is 50851139. The next prime is 50851159. The reversal of 50851147 is 74115805.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 50851147 - 2³ = 50851139 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (50858147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25425573 + 25425574.

It is an arithmetic number, because the mean of its divisors is an integer number (25425574).

Almost surely, 2^50851147 is an apocalyptic number.

50851147 is a deficient number, since it is larger than the sum of its proper divisors (1).

50851147 is an equidigital number, since it uses as much as digits as its factorization.

50851147 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5600, while the sum is 31.

The square root of 50851147 is about 7130.9990183704. Note that the first 3 decimals coincide. The cubic root of 50851147 is about 370.4818339084.

The spelling of 50851147 in words is "fifty million, eight hundred fifty-one thousand, one hundred forty-seven".