550559908 has 6 divisors (see below), whose sum is σ = 963479846. Its totient is φ = 275279952.

The previous prime is 550559899. The next prime is 550559923. The reversal of 550559908 is 809955055.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 298321984 + 252237924 = 17272^2 + 15882^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68819985 + ... + 68819992.

Almost surely, 2^550559908 is an apocalyptic number.

It is an amenable number.

550559908 is a deficient number, since it is larger than the sum of its proper divisors (412919938).

550559908 is a wasteful number, since it uses less digits than its factorization.

550559908 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137639981 (or 137639979 counting only the distinct ones).

The product of its (nonzero) digits is 405000, while the sum is 46.

The square root of 550559908 is about 23464.0130412511. The cubic root of 550559908 is about 819.5992032991.

The spelling of 550559908 in words is "five hundred fifty million, five hundred fifty-nine thousand, nine hundred eight".