549505005500 has 48 divisors (see below), whose sum is σ = 1309220666208. Its totient is φ = 199820000000.

The previous prime is 549505005431. The next prime is 549505005503. The reversal of 549505005500 is 5500505945.

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (549505005503) 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, 49949501 + ... + 49960500.

It is an arithmetic number, because the mean of its divisors is an integer number (27275430546).

Almost surely, 2^549505005500 is an apocalyptic number.

549505005500 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

549505005500 is an abundant number, since it is smaller than the sum of its proper divisors (759715660708).

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

549505005500 is a wasteful number, since it uses less digits than its factorization.

549505005500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99910031 (or 99910019 counting only the distinct ones).

The product of its (nonzero) digits is 112500, while the sum is 38.

The spelling of 549505005500 in words is "five hundred forty-nine billion, five hundred five million, five thousand, five hundred".