55205223832 has 128 divisors (see below), whose sum is σ = 121027737600. Its totient is φ = 23359795200.

The previous prime is 55205223791. The next prime is 55205223907. The reversal of 55205223832 is 23832250255.

It is a super-3 number, since 3×55205223832³ (a number of 33 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 55205223791 and 55205223800.

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, 24286248 + ... + 24288520.

It is an arithmetic number, because the mean of its divisors is an integer number (945529200).

Almost surely, 2^55205223832 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55205223832, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (60513868800).

55205223832 is an abundant number, since it is smaller than the sum of its proper divisors (65822513768).

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

55205223832 is a wasteful number, since it uses less digits than its factorization.

55205223832 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2657 (or 2653 counting only the distinct ones).

The product of its (nonzero) digits is 144000, while the sum is 37.

The spelling of 55205223832 in words is "fifty-five billion, two hundred five million, two hundred twenty-three thousand, eight hundred thirty-two".