50565895 has 4 divisors (see below), whose sum is σ = 60679080. Its totient is φ = 40452712.

The previous prime is 50565887. The next prime is 50565901. The reversal of 50565895 is 59856505.

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

It is a cyclic number.

It is not a de Polignac number, because 50565895 - 2³ = 50565887 is a prime.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 5056585 + ... + 5056594.

It is an arithmetic number, because the mean of its divisors is an integer number (15169770).

Almost surely, 2^50565895 is an apocalyptic number.

50565895 is a deficient number, since it is larger than the sum of its proper divisors (10113185).

50565895 is a wasteful number, since it uses less digits than its factorization.

50565895 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10113184.

The product of its (nonzero) digits is 270000, while the sum is 43.

The square root of 50565895 is about 7110.9700463439. The cubic root of 50565895 is about 369.7877891952.

The spelling of 50565895 in words is "fifty million, five hundred sixty-five thousand, eight hundred ninety-five".