550205535664 has 10 divisors (see below), whose sum is σ = 1066023225380. Its totient is φ = 275102767824.

The previous prime is 550205535647. The next prime is 550205535701. The reversal of 550205535664 is 466535502055.

It is a happy number.

It is a super-2 number, since 2×550205535664² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17193922974 + ... + 17193923005.

It is an arithmetic number, because the mean of its divisors is an integer number (106602322538).

Almost surely, 2^550205535664 is an apocalyptic number.

It is an amenable number.

550205535664 is a deficient number, since it is larger than the sum of its proper divisors (515817689716).

550205535664 is a wasteful number, since it uses less digits than its factorization.

550205535664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34387845987 (or 34387845981 counting only the distinct ones).

The product of its (nonzero) digits is 2700000, while the sum is 46.

The spelling of 550205535664 in words is "five hundred fifty billion, two hundred five million, five hundred thirty-five thousand, six hundred sixty-four".