55131847616448 has 84 divisors (see below), whose sum is σ = 158844272057328. Its totient is φ = 18282063421440.

The previous prime is 55131847616411. The next prime is 55131847616477. The reversal of 55131847616448 is 84461674813155.

55131847616448 is a `hidden beast` number, since 5 + 5 + 1 + 3 + 1 + 8 + 4 + 7 + 616 + 4 + 4 + 8 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 247855188 + ... + 248077523.

Almost surely, 2^{55131847616448} is an apocalyptic number.

It is an amenable number.

55131847616448 is an abundant number, since it is smaller than the sum of its proper divisors (103712424440880).

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

55131847616448 is a wasteful number, since it uses less digits than its factorization.

55131847616448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 495932922 (or 495932909 counting only the distinct ones).

The product of its digits is 77414400, while the sum is 63.

The spelling of 55131847616448 in words is "fifty-five trillion, one hundred thirty-one billion, eight hundred forty-seven million, six hundred sixteen thousand, four hundred forty-eight".