50981873 has 2 divisors, whose sum is σ = 50981874. Its totient is φ = 50981872.

The previous prime is 50981867. The next prime is 50981881. The reversal of 50981873 is 37818905.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 48888064 + 2093809 = 6992^2 + 1447^2 .

It is a cyclic number.

It is not a de Polignac number, because 50981873 - 2⁴ = 50981857 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 50981873.

It is not a weakly prime, because it can be changed into another prime (50981803) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25490936 + 25490937.

It is an arithmetic number, because the mean of its divisors is an integer number (25490937).

Almost surely, 2^50981873 is an apocalyptic number.

It is an amenable number.

50981873 is a deficient number, since it is larger than the sum of its proper divisors (1).

50981873 is an equidigital number, since it uses as much as digits as its factorization.

50981873 is an odious number, because the sum of its binary digits is odd.

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

The square root of 50981873 is about 7140.1591718953. The cubic root of 50981873 is about 370.7990353107.

The spelling of 50981873 in words is "fifty million, nine hundred eighty-one thousand, eight hundred seventy-three".