500000005544 has 32 divisors (see below), whose sum is σ = 1069004540520. Its totient is φ = 217194571776.

The previous prime is 500000005543. The next prime is 500000005553. The reversal of 500000005544 is 445500000005.

It can be written as a sum of positive squares in 4 ways, for example, as 314678365444 + 185321640100 = 560962^2 + 430490^2 .

It is not an unprimeable number, because it can be changed into a prime (500000005543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 141400949 + ... + 141404484.

Almost surely, 2^500000005544 is an apocalyptic number.

It is an amenable number.

500000005544 is an abundant number, since it is smaller than the sum of its proper divisors (569004534976).

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

500000005544 is a wasteful number, since it uses less digits than its factorization.

500000005544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 282805469 (or 282805465 counting only the distinct ones).

The product of its (nonzero) digits is 2000, while the sum is 23.

Adding to 500000005544 its reverse (445500000005), we get a palindrome (945500005549).

The spelling of 500000005544 in words is "five hundred billion, five thousand, five hundred forty-four".