550131208 has 32 divisors (see below), whose sum is σ = 1161573120. Its totient is φ = 241992000.

The previous prime is 550131173. The next prime is 550131251. The reversal of 550131208 is 802131055.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 98103 + ... + 103558.

It is an arithmetic number, because the mean of its divisors is an integer number (36299160).

Almost surely, 2^550131208 is an apocalyptic number.

It is an amenable number.

550131208 is an abundant number, since it is smaller than the sum of its proper divisors (611441912).

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

550131208 is a wasteful number, since it uses less digits than its factorization.

550131208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 201709 (or 201705 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 25.

The square root of 550131208 is about 23454.8759962614. The cubic root of 550131208 is about 819.3864178478.

The spelling of 550131208 in words is "five hundred fifty million, one hundred thirty-one thousand, two hundred eight".