550015665000 has 80 divisors (see below), whose sum is σ = 1718248984320. Its totient is φ = 146670840000.

The previous prime is 550015664959. The next prime is 550015665007. The reversal of 550015665000 is 566510055.

It is not an unprimeable number, because it can be changed into a prime (550015665007) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 18318856 + ... + 18348855.

It is an arithmetic number, because the mean of its divisors is an integer number (21478112304).

Almost surely, 2^550015665000 is an apocalyptic number.

550015665000 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

550015665000 is an abundant number, since it is smaller than the sum of its proper divisors (1168233319320).

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

550015665000 is a wasteful number, since it uses less digits than its factorization.

550015665000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36667740 (or 36667721 counting only the distinct ones).

The product of its (nonzero) digits is 22500, while the sum is 33.

The spelling of 550015665000 in words is "five hundred fifty billion, fifteen million, six hundred sixty-five thousand".