50656521 has 16 divisors (see below), whose sum is σ = 68574528. Its totient is φ = 33259200.

The previous prime is 50656493. The next prime is 50656531. The reversal of 50656521 is 12565605.

It is not a de Polignac number, because 50656521 - 2¹⁰ = 50655497 is a prime.

It is not an unprimeable number, because it can be changed into a prime (50656531) 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 in 15 ways as a sum of consecutive naturals, for example, 61291 + ... + 62111.

It is an arithmetic number, because the mean of its divisors is an integer number (4285908).

Almost surely, 2^50656521 is an apocalyptic number.

It is an amenable number.

50656521 is a deficient number, since it is larger than the sum of its proper divisors (17918007).

50656521 is a wasteful number, since it uses less digits than its factorization.

50656521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1112.

The product of its (nonzero) digits is 9000, while the sum is 30.

The square root of 50656521 is about 7117.3394607817. The cubic root of 50656521 is about 370.0085729691.

The spelling of 50656521 in words is "fifty million, six hundred fifty-six thousand, five hundred twenty-one".