50958521 has 2 divisors, whose sum is σ = 50958522. Its totient is φ = 50958520.

The previous prime is 50958517. The next prime is 50958563. The reversal of 50958521 is 12585905.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 35046400 + 15912121 = 5920^2 + 3989^2 .

It is a cyclic number.

It is not a de Polignac number, because 50958521 - 2² = 50958517 is a prime.

It is not a weakly prime, because it can be changed into another prime (50958511) 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, 25479260 + 25479261.

It is an arithmetic number, because the mean of its divisors is an integer number (25479261).

Almost surely, 2^50958521 is an apocalyptic number.

It is an amenable number.

50958521 is a deficient number, since it is larger than the sum of its proper divisors (1).

50958521 is an equidigital number, since it uses as much as digits as its factorization.

50958521 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18000, while the sum is 35.

The square root of 50958521 is about 7138.5237269340. The cubic root of 50958521 is about 370.7424124305.

The spelling of 50958521 in words is "fifty million, nine hundred fifty-eight thousand, five hundred twenty-one".