555032688828 has 144 divisors (see below), whose sum is σ = 1367546880000. Its totient is φ = 175184000640.

The previous prime is 555032688827. The next prime is 555032688829. The reversal of 555032688828 is 828886230555.

It is an interprime number because it is at equal distance from previous prime (555032688827) and next prime (555032688829).

It is a super-2 number, since 2×555032688828² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (555032688827) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 277654173 + ... + 277656171.

Almost surely, 2^555032688828 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 555032688828, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (683773440000).

555032688828 is an abundant number, since it is smaller than the sum of its proper divisors (812514191172).

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

555032688828 is a wasteful number, since it uses less digits than its factorization.

555032688828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2472 (or 2447 counting only the distinct ones).

The product of its (nonzero) digits is 36864000, while the sum is 60.

The spelling of 555032688828 in words is "five hundred fifty-five billion, thirty-two million, six hundred eighty-eight thousand, eight hundred twenty-eight".