50555520 has 192 divisors, whose sum is σ = 178532640. Its totient is φ = 13178880.

The previous prime is 50555509. The next prime is 50555521. The reversal of 50555520 is 2555505.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (192).

It is not an unprimeable number, because it can be changed into a prime (50555521) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 385855 + ... + 385985.

Almost surely, 2^50555520 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 50555520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (89266320).

50555520 is an abundant number, since it is smaller than the sum of its proper divisors (127977120).

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

50555520 is a wasteful number, since it uses less digits than its factorization.

50555520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 223 (or 208 counting only the distinct ones).

The product of its (nonzero) digits is 6250, while the sum is 27.

The square root of 50555520 is about 7110.2405022615. The cubic root of 50555520 is about 369.7624967147.

The spelling of 50555520 in words is "fifty million, five hundred fifty-five thousand, five hundred twenty".