555247220000 has 270 divisors, whose sum is σ = 1504602794079. Its totient is φ = 201486560000.

The previous prime is 555247219999. The next prime is 555247220039. The reversal of 555247220000 is 22742555.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in 3 ways, for example, as 128373157264 + 426874062736 = 358292^2 + 653356^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=526900.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 1159179761 + ... + 1159180239.

Almost surely, 2^555247220000 is an apocalyptic number.

555247220000 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 555247220000

555247220000 is an abundant number, since it is smaller than the sum of its proper divisors (949355574079).

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

555247220000 is an frugal number, since it uses more digits than its factorization.

555247220000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1010 (or 497 counting only the distinct ones).

The product of its (nonzero) digits is 28000, while the sum is 32.

Multiplying 555247220000 by its sum of digits (32), we get a square (17767911040000 = 4215200²).

555247220000 divided by its sum of digits (32) gives a square (17351475625 = 131725²).

Adding to 555247220000 its reverse (22742555), we get a palindrome (555269962555).

The spelling of 555247220000 in words is "five hundred fifty-five billion, two hundred forty-seven million, two hundred twenty thousand".