50505645 has 24 divisors (see below), whose sum is σ = 82869408. Its totient is φ = 26266240.

The previous prime is 50505619. The next prime is 50505673. The reversal of 50505645 is 54650505.

50505645 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 50505645 - 2¹⁹ = 49981357 is a prime.

It is a super-3 number, since 3×50505645³ (a number of 24 digits) contains 333 as substring.

It is a Curzon number.

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 23 ways as a sum of consecutive naturals, for example, 24214 + ... + 26216.

It is an arithmetic number, because the mean of its divisors is an integer number (3452892).

Almost surely, 2^50505645 is an apocalyptic number.

It is an amenable number.

50505645 is a deficient number, since it is larger than the sum of its proper divisors (32363763).

50505645 is a wasteful number, since it uses less digits than its factorization.

50505645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2093 (or 2052 counting only the distinct ones).

The product of its (nonzero) digits is 15000, while the sum is 30.

The square root of 50505645 is about 7106.7323714911. The cubic root of 50505645 is about 369.6408616463.

The spelling of 50505645 in words is "fifty million, five hundred five thousand, six hundred forty-five".