50636520 has 192 divisors, whose sum is σ = 189259200. Its totient is φ = 11612160.

The previous prime is 50636503. The next prime is 50636533. The reversal of 50636520 is 2563605.

50636520 is a `hidden beast` number, since 5 + 0 + 6 + 3 + 652 + 0 = 666.

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 74904 + ... + 75576.

It is an arithmetic number, because the mean of its divisors is an integer number (985725).

Almost surely, 2^50636520 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 50636520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (94629600).

50636520 is an abundant number, since it is smaller than the sum of its proper divisors (138622680).

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

50636520 is a wasteful number, since it uses less digits than its factorization.

50636520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 720 (or 713 counting only the distinct ones).

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

The square root of 50636520 is about 7115.9342324111. The cubic root of 50636520 is about 369.9598690344.

The spelling of 50636520 in words is "fifty million, six hundred thirty-six thousand, five hundred twenty".