50218520 has 64 divisors (see below), whose sum is σ = 129772800. Its totient is φ = 17297280.

The previous prime is 50218477. The next prime is 50218537. The reversal of 50218520 is 2581205.

50218520 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 15 ways as a sum of consecutive naturals, for example, 5357 + ... + 11363.

It is an arithmetic number, because the mean of its divisors is an integer number (2027700).

Almost surely, 2^50218520 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 50218520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (64886400).

50218520 is an abundant number, since it is smaller than the sum of its proper divisors (79554280).

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

50218520 is a wasteful number, since it uses less digits than its factorization.

50218520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6048 (or 6044 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 23.

The square root of 50218520 is about 7086.5026635146. The cubic root of 50218520 is about 368.9390596160.

Adding to 50218520 its reverse (2581205), we get a palindrome (52799725).

It can be divided in two parts, 502185 and 20, that added together give a palindrome (502205).

The spelling of 50218520 in words is "fifty million, two hundred eighteen thousand, five hundred twenty".