550606664 has 16 divisors (see below), whose sum is σ = 1032865020. Its totient is φ = 275176000.

The previous prime is 550606631. The next prime is 550606741. The reversal of 550606664 is 466606055.

It can be written as a sum of positive squares in 2 ways, for example, as 540934564 + 9672100 = 23258^2 + 3110^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3914 + ... + 33414.

Almost surely, 2^550606664 is an apocalyptic number.

It is an amenable number.

550606664 is a deficient number, since it is larger than the sum of its proper divisors (482258356).

550606664 is a wasteful number, since it uses less digits than its factorization.

550606664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31840 (or 31836 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 38.

The square root of 550606664 is about 23465.0093543557. The cubic root of 550606664 is about 819.6224039808.

The spelling of 550606664 in words is "five hundred fifty million, six hundred six thousand, six hundred sixty-four".