550139312 has 40 divisors (see below), whose sum is σ = 1156144752. Its totient is φ = 252569600.

The previous prime is 550139279. The next prime is 550139321. The reversal of 550139312 is 213931055.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13514 + ... + 35817.

Almost surely, 2^550139312 is an apocalyptic number.

It is an amenable number.

550139312 is an abundant number, since it is smaller than the sum of its proper divisors (606005440).

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

550139312 is a wasteful number, since it uses less digits than its factorization.

550139312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49397 (or 49391 counting only the distinct ones).

The product of its (nonzero) digits is 4050, while the sum is 29.

The square root of 550139312 is about 23455.0487528805. The cubic root of 550139312 is about 819.3904412971.

The spelling of 550139312 in words is "five hundred fifty million, one hundred thirty-nine thousand, three hundred twelve".