845025055 has 32 divisors (see below), whose sum is σ = 1231309440. Its totient is φ = 544320000.

The previous prime is 845025053. The next prime is 845025059. The reversal of 845025055 is 550520548.

It is not a de Polignac number, because 845025055 - 2¹ = 845025053 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 845025055.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (845025053) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 26305 + ... + 48805.

It is an arithmetic number, because the mean of its divisors is an integer number (38478420).

Almost surely, 2^845025055 is an apocalyptic number.

845025055 is a deficient number, since it is larger than the sum of its proper divisors (386284385).

845025055 is a wasteful number, since it uses less digits than its factorization.

845025055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22579.

The product of its (nonzero) digits is 40000, while the sum is 34.

The square root of 845025055 is about 29069.3146634041. The cubic root of 845025055 is about 945.4165385601.

The spelling of 845025055 in words is "eight hundred forty-five million, twenty-five thousand, fifty-five".