50555556 has 24 divisors (see below), whose sum is σ = 131070240.
Its totient is φ = 16851816.
The previous prime is 50555543. The next prime is 50555563. The reversal of 50555556 is 65555505.
50555556 is a `hidden beast` number, since 50 + 5 + 55 + 556 = 666.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a self number, because there is not a number n which added to its sum of digits gives 50555556.
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 7 ways as a sum of consecutive naturals, for example, 233946 + ... + 234161.
It is an arithmetic number, because the mean of its divisors is an integer number (5461260).
Almost surely, 250555556 is an apocalyptic number.
It is an amenable number.
50555556 is an abundant number, since it is smaller than the sum of its proper divisors (80514684).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
50555556 is a wasteful number, since it uses less digits than its factorization.
50555556 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 468120 (or 468112 counting only the distinct ones).
The product of its (nonzero) digits is 93750, while the sum is 36.
The square root of 50555556 is about 7110.2430338210.
The cubic root of 50555556 is about 369.7625844825.
The spelling of 50555556 in words is "fifty million, five hundred fifty-five thousand, five hundred fifty-six".