500050505550 has 48 divisors (see below), whose sum is σ = 1247293672560. Its totient is φ = 132576003840.

The previous prime is 500050505543. The next prime is 500050505611. The reversal of 500050505550 is 55505050005.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9608935 + ... + 9660834.

It is an arithmetic number, because the mean of its divisors is an integer number (25985284845).

Almost surely, 2^500050505550 is an apocalyptic number.

500050505550 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

500050505550 is an abundant number, since it is smaller than the sum of its proper divisors (747243167010).

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

500050505550 is a wasteful number, since it uses less digits than its factorization.

500050505550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19269957 (or 19269952 counting only the distinct ones).

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

Adding to 500050505550 its reverse (55505050005), we get a palindrome (555555555555).

The spelling of 500050505550 in words is "five hundred billion, fifty million, five hundred five thousand, five hundred fifty".