500005550500 has 48 divisors (see below), whose sum is σ = 1092804371568. Its totient is φ = 199857120000.

The previous prime is 500005550459. The next prime is 500005550501. The reversal of 500005550500 is 5055500005.

It can be written as a sum of positive squares in 8 ways, for example, as 86731428004 + 413274122496 = 294502^2 + 642864^2 .

It is a Harshad number since it is a multiple of its sum of digits (25).

It is not an unprimeable number, because it can be changed into a prime (500005550501) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 328440 + ... + 1052560.

It is an arithmetic number, because the mean of its divisors is an integer number (22766757741).

Almost surely, 2^500005550500 is an apocalyptic number.

500005550500 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

500005550500 is an abundant number, since it is smaller than the sum of its proper divisors (592798821068).

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

500005550500 is a wasteful number, since it uses less digits than its factorization.

500005550500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 725521 (or 725509 counting only the distinct ones).

The product of its (nonzero) digits is 3125, while the sum is 25.

The spelling of 500005550500 in words is "five hundred billion, five million, five hundred fifty thousand, five hundred".