550640016 has 30 divisors (see below), whose sum is σ = 1541027670. Its totient is φ = 183546624.

The previous prime is 550640009. The next prime is 550640039. The reversal of 550640016 is 610046055.

It is a happy number.

550640016 is a `hidden beast` number, since 5 + 5 + 0 + 640 + 0 + 16 = 666.

It can be written as a sum of positive squares in only one way, i.e., 470716416 + 79923600 = 21696^2 + 8940^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1911801 + ... + 1912088.

It is an arithmetic number, because the mean of its divisors is an integer number (51367589).

Almost surely, 2^550640016 is an apocalyptic number.

It is an amenable number.

550640016 is an abundant number, since it is smaller than the sum of its proper divisors (990387654).

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

550640016 is a wasteful number, since it uses less digits than its factorization.

550640016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3823903 (or 3823894 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

The square root of 550640016 is about 23465.7200187848. The cubic root of 550640016 is about 819.6389526935.

The spelling of 550640016 in words is "five hundred fifty million, six hundred forty thousand, sixteen".