50205520 has 40 divisors (see below), whose sum is σ = 118385280. Its totient is φ = 19797120.

The previous prime is 50205503. The next prime is 50205557. The reversal of 50205520 is 2550205.

50205520 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-3 number, since 3×50205520³ (a number of 24 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1261 + ... + 10099.

It is an arithmetic number, because the mean of its divisors is an integer number (2959632).

Almost surely, 2^50205520 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 50205520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (59192640).

50205520 is an abundant number, since it is smaller than the sum of its proper divisors (68179760).

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

50205520 is a wasteful number, since it uses less digits than its factorization.

50205520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8923 (or 8917 counting only the distinct ones).

The product of its (nonzero) digits is 500, while the sum is 19.

The square root of 50205520 is about 7085.5853674908. The cubic root of 50205520 is about 368.9072212843.

Adding to 50205520 its reverse (2550205), we get a palindrome (52755725).

The spelling of 50205520 in words is "fifty million, two hundred five thousand, five hundred twenty".