55204230544128 has 144 divisors (see below), whose sum is σ = 171840654697600. Its totient is φ = 17432914867200.

The previous prime is 55204230544049. The next prime is 55204230544129. The reversal of 55204230544128 is 82144503240255.

55204230544128 is a `hidden beast` number, since 5 + 5 + 20 + 42 + 30 + 544 + 12 + 8 = 666.

It is a tau number, because it is divible by the number of its divisors (144).

It is not an unprimeable number, because it can be changed into a prime (55204230544129) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 210045598 + ... + 210308253.

Almost surely, 2^{55204230544128} is an apocalyptic number.

It is an amenable number.

55204230544128 is an abundant number, since it is smaller than the sum of its proper divisors (116636424153472).

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

55204230544128 is a wasteful number, since it uses less digits than its factorization.

55204230544128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 420353895 (or 420353875 counting only the distinct ones).

The product of its (nonzero) digits is 1536000, while the sum is 45.

The spelling of 55204230544128 in words is "fifty-five trillion, two hundred four billion, two hundred thirty million, five hundred forty-four thousand, one hundred twenty-eight".