850365055 has 4 divisors (see below), whose sum is σ = 1020438072. Its totient is φ = 680292040.

The previous prime is 850365029. The next prime is 850365067. The reversal of 850365055 is 550563058.

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

It is not a de Polignac number, because 850365055 - 2¹⁹ = 849840767 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 85036501 + ... + 85036510.

It is an arithmetic number, because the mean of its divisors is an integer number (255109518).

Almost surely, 2^850365055 is an apocalyptic number.

850365055 is a deficient number, since it is larger than the sum of its proper divisors (170073017).

850365055 is a wasteful number, since it uses less digits than its factorization.

850365055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170073016.

The product of its (nonzero) digits is 90000, while the sum is 37.

The square root of 850365055 is about 29161.0194437712. The cubic root of 850365055 is about 947.4038275832.

The spelling of 850365055 in words is "eight hundred fifty million, three hundred sixty-five thousand, fifty-five".