555821345000 has 80 divisors (see below), whose sum is σ = 1370831193600. Its totient is φ = 210627000000.

The previous prime is 555821344997. The next prime is 555821345083. The reversal of 555821345000 is 543128555.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 2830376 + ... + 3020375.

It is an arithmetic number, because the mean of its divisors is an integer number (17135389920).

Almost surely, 2^555821345000 is an apocalyptic number.

555821345000 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

555821345000 is an abundant number, since it is smaller than the sum of its proper divisors (815009848600).

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

555821345000 is a wasteful number, since it uses less digits than its factorization.

555821345000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5850796 (or 5850777 counting only the distinct ones).

The product of its (nonzero) digits is 120000, while the sum is 38.

The spelling of 555821345000 in words is "five hundred fifty-five billion, eight hundred twenty-one million, three hundred forty-five thousand".