50663520 has 144 divisors (see below), whose sum is σ = 174781152. Its totient is φ = 13363200.

The previous prime is 50663491. The next prime is 50663521. The reversal of 50663520 is 2536605.

50663520 is a `hidden beast` number, since 5 + 0 + 6 + 635 + 20 = 666.

It is a tau number, because it is divible by the number of its divisors (144).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50663521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 217324 + ... + 217556.

It is an arithmetic number, because the mean of its divisors is an integer number (1213758).

Almost surely, 2^50663520 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 50663520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (87390576).

50663520 is an abundant number, since it is smaller than the sum of its proper divisors (124117632).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

50663520 is a wasteful number, since it uses less digits than its factorization.

50663520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 405 (or 394 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 27.

The square root of 50663520 is about 7117.8311303374. The cubic root of 50663520 is about 370.0256130309.

The spelling of 50663520 in words is "fifty million, six hundred sixty-three thousand, five hundred twenty".