50843921 has 2 divisors, whose sum is σ = 50843922. Its totient is φ = 50843920.

The previous prime is 50843911. The next prime is 50843929. The reversal of 50843921 is 12934805.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 47458321 + 3385600 = 6889^2 + 1840^2 .

It is a cyclic number.

It is not a de Polignac number, because 50843921 - 2¹⁴ = 50827537 is a prime.

It is not a weakly prime, because it can be changed into another prime (50843929) 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, 25421960 + 25421961.

It is an arithmetic number, because the mean of its divisors is an integer number (25421961).

Almost surely, 2^50843921 is an apocalyptic number.

It is an amenable number.

50843921 is a deficient number, since it is larger than the sum of its proper divisors (1).

50843921 is an equidigital number, since it uses as much as digits as its factorization.

50843921 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8640, while the sum is 32.

The square root of 50843921 is about 7130.4923392428. The cubic root of 50843921 is about 370.4642844613.

The spelling of 50843921 in words is "fifty million, eight hundred forty-three thousand, nine hundred twenty-one".