50653521 has 12 divisors (see below), whose sum is σ = 76347648. Its totient is φ = 32300664.

The previous prime is 50653513. The next prime is 50653571. The reversal of 50653521 is 12535605.

50653521 is a `hidden beast` number, since 5 + 0 + 653 + 5 + 2 + 1 = 666.

It is not a de Polignac number, because 50653521 - 2³ = 50653513 is a prime.

It is not an unprimeable number, because it can be changed into a prime (50653571) 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 11 ways as a sum of consecutive naturals, for example, 122145 + ... + 122558.

It is an arithmetic number, because the mean of its divisors is an integer number (6362304).

Almost surely, 2^50653521 is an apocalyptic number.

It is an amenable number.

50653521 is a deficient number, since it is larger than the sum of its proper divisors (25694127).

50653521 is a wasteful number, since it uses less digits than its factorization.

50653521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 244732 (or 244729 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 27.

The square root of 50653521 is about 7117.1287047517. The cubic root of 50653521 is about 370.0012685615.

The spelling of 50653521 in words is "fifty million, six hundred fifty-three thousand, five hundred twenty-one".