55271428608 has 160 divisors (see below), whose sum is σ = 161134186752. Its totient is φ = 16696627200.

The previous prime is 55271428607. The next prime is 55271428609. The reversal of 55271428608 is 80682417255.

It is an interprime number because it is at equal distance from previous prime (55271428607) and next prime (55271428609).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is not an unprimeable number, because it can be changed into a prime (55271428607) 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, 5587635 + ... + 5597517.

Almost surely, 2^55271428608 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 55271428608, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (80567093376).

55271428608 is an abundant number, since it is smaller than the sum of its proper divisors (105862758144).

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

55271428608 is a wasteful number, since it uses less digits than its factorization.

55271428608 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10246 (or 10230 counting only the distinct ones).

The product of its (nonzero) digits is 1075200, while the sum is 48.

The spelling of 55271428608 in words is "fifty-five billion, two hundred seventy-one million, four hundred twenty-eight thousand, six hundred eight".