55898128272 has 80 divisors (see below), whose sum is σ = 168400630400. Its totient is φ = 15970889088.

The previous prime is 55898128271. The next prime is 55898128289. The reversal of 55898128272 is 27282189855.

55898128272 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (55898128271) 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, 1681123 + ... + 1714050.

It is an arithmetic number, because the mean of its divisors is an integer number (2105007880).

Almost surely, 2^55898128272 is an apocalyptic number.

It is an amenable number.

55898128272 is an abundant number, since it is smaller than the sum of its proper divisors (112502502128).

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

55898128272 is a wasteful number, since it uses less digits than its factorization.

55898128272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3395205 (or 3395185 counting only the distinct ones).

The product of its digits is 6451200, while the sum is 57.

The spelling of 55898128272 in words is "fifty-five billion, eight hundred ninety-eight million, one hundred twenty-eight thousand, two hundred seventy-two".