500000555000 has 80 divisors (see below), whose sum is σ = 1174015351080. Its totient is φ = 199571024000.

The previous prime is 500000554931. The next prime is 500000555003. The reversal of 500000555000 is 555000005.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (20).

500000555000 is a modest number, since divided by 555000 gives 500000 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (500000555003) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 2227934 + ... + 2442066.

Almost surely, 2^500000555000 is an apocalyptic number.

500000555000 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 500000555000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (587007675540).

500000555000 is an abundant number, since it is smaller than the sum of its proper divisors (674014796080).

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

500000555000 is a wasteful number, since it uses less digits than its factorization.

500000555000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 214626 (or 214607 counting only the distinct ones).

The product of its (nonzero) digits is 625, while the sum is 20.

Adding to 500000555000 its reverse (555000005), we get a palindrome (500555555005).

The spelling of 500000555000 in words is "five hundred billion, five hundred fifty-five thousand".