855250052558 has 32 divisors (see below), whose sum is σ = 1432143313920. Its totient is φ = 379683682560.

The previous prime is 855250052551. The next prime is 855250052581.

855250052558 is nontrivially palindromic in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (855250052551) 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 15 ways as a sum of consecutive naturals, for example, 23865758 + ... + 23901566.

It is an arithmetic number, because the mean of its divisors is an integer number (44754478560).

Almost surely, 2^855250052558 is an apocalyptic number.

855250052558 is a deficient number, since it is larger than the sum of its proper divisors (576893261362).

855250052558 is a wasteful number, since it uses less digits than its factorization.

855250052558 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61112.

The product of its (nonzero) digits is 4000000, while the sum is 50.

The spelling of 855250052558 in words is "eight hundred fifty-five billion, two hundred fifty million, fifty-two thousand, five hundred fifty-eight".