55204221176 has 64 divisors (see below), whose sum is σ = 118645793280. Its totient is φ = 23854417920.

The previous prime is 55204221139. The next prime is 55204221197. The reversal of 55204221176 is 67112240255.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 255950 + ... + 419426.

It is an arithmetic number, because the mean of its divisors is an integer number (1853840520).

Almost surely, 2^55204221176 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 55204221176, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (59322896640).

55204221176 is an abundant number, since it is smaller than the sum of its proper divisors (63441572104).

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

55204221176 is a wasteful number, since it uses less digits than its factorization.

55204221176 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163704 (or 163700 counting only the distinct ones).

The product of its (nonzero) digits is 33600, while the sum is 35.

The spelling of 55204221176 in words is "fifty-five billion, two hundred four million, two hundred twenty-one thousand, one hundred seventy-six".