550023660 has 36 divisors (see below), whose sum is σ = 1668405648. Its totient is φ = 146672928.

The previous prime is 550023637. The next prime is 550023673. The reversal of 550023660 is 66320055.

It is a tau number, because it is divible by the number of its divisors (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1527664 + ... + 1528023.

Almost surely, 2^550023660 is an apocalyptic number.

It is an amenable number.

550023660 is an abundant number, since it is smaller than the sum of its proper divisors (1118381988).

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

550023660 is a wasteful number, since it uses less digits than its factorization.

550023660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3055702 (or 3055697 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 27.

The square root of 550023660 is about 23452.5832265872. The cubic root of 550023660 is about 819.3330190026. Note that the first 3 decimals are identical.

The spelling of 550023660 in words is "five hundred fifty million, twenty-three thousand, six hundred sixty".