55205224216 has 8 divisors (see below), whose sum is σ = 103509795420. Its totient is φ = 27602612104.

The previous prime is 55205224201. The next prime is 55205224229. The reversal of 55205224216 is 61242250255.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3450326506 + ... + 3450326521.

Almost surely, 2^55205224216 is an apocalyptic number.

It is an amenable number.

55205224216 is a deficient number, since it is larger than the sum of its proper divisors (48304571204).

55205224216 is a wasteful number, since it uses less digits than its factorization.

55205224216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6900653033 (or 6900653029 counting only the distinct ones).

The product of its (nonzero) digits is 48000, while the sum is 34.

The spelling of 55205224216 in words is "fifty-five billion, two hundred five million, two hundred twenty-four thousand, two hundred sixteen".