55028285800 has 48 divisors (see below), whose sum is σ = 128590302060. Its totient is φ = 21899566080.

The previous prime is 55028285797. The next prime is 55028285827. The reversal of 55028285800 is 858282055.

It can be written as a sum of positive squares in 6 ways, for example, as 23492919076 + 31535366724 = 153274^2 + 177582^2 .

It is a super-2 number, since 2×55028285800² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 658929 + ... + 737728.

Almost surely, 2^55028285800 is an apocalyptic number.

55028285800 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

55028285800 is an abundant number, since it is smaller than the sum of its proper divisors (73562016260).

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

55028285800 is a wasteful number, since it uses less digits than its factorization.

55028285800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1396870 (or 1396861 counting only the distinct ones).

The product of its (nonzero) digits is 256000, while the sum is 43.

The spelling of 55028285800 in words is "fifty-five billion, twenty-eight million, two hundred eighty-five thousand, eight hundred".