500005500550 has 12 divisors (see below), whose sum is σ = 930010231116. Its totient is φ = 200002200200.

The previous prime is 500005500523. The next prime is 500005500557. The reversal of 500005500550 is 55005500005.

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

500005500550 is a modest number, since divided by 5500550 gives 5000 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (500005500557) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5000054956 + ... + 5000055055.

It is an arithmetic number, because the mean of its divisors is an integer number (77500852593).

Almost surely, 2^500005500550 is an apocalyptic number.

500005500550 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

500005500550 is a deficient number, since it is larger than the sum of its proper divisors (430004730566).

500005500550 is a wasteful number, since it uses less digits than its factorization.

500005500550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10000110023 (or 10000110018 counting only the distinct ones).

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

The spelling of 500005500550 in words is "five hundred billion, five million, five hundred thousand, five hundred fifty".