50545645 has 4 divisors (see below), whose sum is σ = 60654780. Its totient is φ = 40436512.

The previous prime is 50545631. The next prime is 50545687. The reversal of 50545645 is 54654505.

50545645 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 22867524 + 27678121 = 4782^2 + 5261^2 .

It is a cyclic number.

It is not a de Polignac number, because 50545645 - 2²⁵ = 16991213 is a prime.

It is a super-3 number, since 3×50545645³ (a number of 24 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 50545645.

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 3 ways as a sum of consecutive naturals, for example, 5054560 + ... + 5054569.

It is an arithmetic number, because the mean of its divisors is an integer number (15163695).

Almost surely, 2^50545645 is an apocalyptic number.

It is an amenable number.

50545645 is a deficient number, since it is larger than the sum of its proper divisors (10109135).

50545645 is a wasteful number, since it uses less digits than its factorization.

50545645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10109134.

The product of its (nonzero) digits is 60000, while the sum is 34.

The square root of 50545645 is about 7109.5460473929. The cubic root of 50545645 is about 369.7384199345.

The spelling of 50545645 in words is "fifty million, five hundred forty-five thousand, six hundred forty-five".