85455055158 has 128 divisors (see below), whose sum is σ = 201366950400. Its totient is φ = 23896166400.

The previous prime is 85455055157. The next prime is 85455055171. The reversal of 85455055158 is 85155055458.

It is a self number, because there is not a number n which added to its sum of digits gives 85455055158.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85455055157) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 53109858 + ... + 53111466.

It is an arithmetic number, because the mean of its divisors is an integer number (1573179300).

Almost surely, 2^85455055158 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 85455055158, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (100683475200).

85455055158 is an abundant number, since it is smaller than the sum of its proper divisors (115911895242).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

85455055158 is a wasteful number, since it uses less digits than its factorization.

85455055158 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2718.

The product of its (nonzero) digits is 4000000, while the sum is 51.

The spelling of 85455055158 in words is "eighty-five billion, four hundred fifty-five million, fifty-five thousand, one hundred fifty-eight".