50601721 has 2 divisors, whose sum is σ = 50601722. Its totient is φ = 50601720.

The previous prime is 50601713. The next prime is 50601767. The reversal of 50601721 is 12710605.

50601721 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 50197225 + 404496 = 7085^2 + 636^2 .

It is a cyclic number.

It is not a de Polignac number, because 50601721 - 2³ = 50601713 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 50601692 and 50601701.

It is not a weakly prime, because it can be changed into another prime (50601121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25300860 + 25300861.

It is an arithmetic number, because the mean of its divisors is an integer number (25300861).

Almost surely, 2^50601721 is an apocalyptic number.

It is an amenable number.

50601721 is a deficient number, since it is larger than the sum of its proper divisors (1).

50601721 is an equidigital number, since it uses as much as digits as its factorization.

50601721 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 420, while the sum is 22.

The square root of 50601721 is about 7113.4886659079. The cubic root of 50601721 is about 369.8751002825.

The spelling of 50601721 in words is "fifty million, six hundred one thousand, seven hundred twenty-one".