50735921 has 2 divisors, whose sum is σ = 50735922. Its totient is φ = 50735920.

The previous prime is 50735879. The next prime is 50735969. The reversal of 50735921 is 12953705.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 35046400 + 15689521 = 5920^2 + 3961^2 .

It is a cyclic number.

It is not a de Polignac number, because 50735921 - 2⁶ = 50735857 is a prime.

It is not a weakly prime, because it can be changed into another prime (50735981) 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, 25367960 + 25367961.

It is an arithmetic number, because the mean of its divisors is an integer number (25367961).

Almost surely, 2^50735921 is an apocalyptic number.

It is an amenable number.

50735921 is a deficient number, since it is larger than the sum of its proper divisors (1).

50735921 is an equidigital number, since it uses as much as digits as its factorization.

50735921 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9450, while the sum is 32.

The square root of 50735921 is about 7122.9152037631. The cubic root of 50735921 is about 370.2017915578.

The spelling of 50735921 in words is "fifty million, seven hundred thirty-five thousand, nine hundred twenty-one".