845320055 has 16 divisors (see below), whose sum is σ = 1035063360. Its totient is φ = 662508288.

The previous prime is 845320033. The next prime is 845320103. The reversal of 845320055 is 550023548.

It is a cyclic number.

It is not a de Polignac number, because 845320055 - 2⁶ = 845319991 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 (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 212414 + ... + 216356.

It is an arithmetic number, because the mean of its divisors is an integer number (64691460).

Almost surely, 2^845320055 is an apocalyptic number.

845320055 is a deficient number, since it is larger than the sum of its proper divisors (189743305).

845320055 is a wasteful number, since it uses less digits than its factorization.

845320055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4810.

The product of its (nonzero) digits is 24000, while the sum is 32.

The square root of 845320055 is about 29074.3882996702. The cubic root of 845320055 is about 945.5265413854.

The spelling of 845320055 in words is "eight hundred forty-five million, three hundred twenty thousand, fifty-five".