55393850886 has 64 divisors (see below), whose sum is σ = 121958597376. Its totient is φ = 16633779200.

The previous prime is 55393850857. The next prime is 55393850917. The reversal of 55393850886 is 68805839355.

55393850886 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5356741 + ... + 5367071.

It is an arithmetic number, because the mean of its divisors is an integer number (1905603084).

Almost surely, 2^55393850886 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55393850886, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (60979298688).

55393850886 is an abundant number, since it is smaller than the sum of its proper divisors (66564746490).

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

55393850886 is a wasteful number, since it uses less digits than its factorization.

55393850886 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11077.

The product of its (nonzero) digits is 31104000, while the sum is 60.

The spelling of 55393850886 in words is "fifty-five billion, three hundred ninety-three million, eight hundred fifty thousand, eight hundred eighty-six".