500555005050 has 96 divisors (see below), whose sum is σ = 1275216363072. Its totient is φ = 129844270080.

The previous prime is 500555004931. The next prime is 500555005117. The reversal of 500555005050 is 50500555005.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 500555004999 and 500555005017.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 35662834 + ... + 35676866.

It is an arithmetic number, because the mean of its divisors is an integer number (13283503782).

Almost surely, 2^500555005050 is an apocalyptic number.

500555005050 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 500555005050, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (637608181536).

500555005050 is an abundant number, since it is smaller than the sum of its proper divisors (774661358022).

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

500555005050 is a wasteful number, since it uses less digits than its factorization.

500555005050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20512 (or 20507 counting only the distinct ones).

The product of its (nonzero) digits is 15625, while the sum is 30.

The spelling of 500555005050 in words is "five hundred billion, five hundred fifty-five million, five thousand, fifty".