55688434176 has 80 divisors (see below), whose sum is σ = 148449543264. Its totient is φ = 18551291904.

The previous prime is 55688434171. The next prime is 55688434189. The reversal of 55688434176 is 67143488655.

It is a Smith number, since the sum of its digits (57) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (55688434171) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2673016 + ... + 2693768.

Almost surely, 2^55688434176 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 55688434176, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (74224771632).

55688434176 is an abundant number, since it is smaller than the sum of its proper divisors (92761109088).

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

55688434176 is a wasteful number, since it uses less digits than its factorization.

55688434176 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22521 (or 22505 counting only the distinct ones).

The product of its digits is 19353600, while the sum is 57.

The spelling of 55688434176 in words is "fifty-five billion, six hundred eighty-eight million, four hundred thirty-four thousand, one hundred seventy-six".