55103672688 has 80 divisors (see below), whose sum is σ = 148773977856. Its totient is φ = 17541652480.

The previous prime is 55103672683. The next prime is 55103672753. The reversal of 55103672688 is 88627630155.

It is a happy number.

55103672688 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 55103672688.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55103672683) 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, 668731 + ... + 746597.

Almost surely, 2^55103672688 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 55103672688, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (74386988928).

55103672688 is an abundant number, since it is smaller than the sum of its proper divisors (93670305168).

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

55103672688 is a wasteful number, since it uses less digits than its factorization.

55103672688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78542 (or 78536 counting only the distinct ones).

The product of its (nonzero) digits is 2419200, while the sum is 51.

The spelling of 55103672688 in words is "fifty-five billion, one hundred three million, six hundred seventy-two thousand, six hundred eighty-eight".