550707638 has 16 divisors (see below), whose sum is σ = 891015216. Its totient is φ = 253769760.

The previous prime is 550707629. The next prime is 550707649. The reversal of 550707638 is 836707055.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 550707595 and 550707604.

It is a congruent number.

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, 248 + ... + 33188.

It is an arithmetic number, because the mean of its divisors is an integer number (55688451).

Almost surely, 2^550707638 is an apocalyptic number.

550707638 is a deficient number, since it is larger than the sum of its proper divisors (340307578).

550707638 is a wasteful number, since it uses less digits than its factorization.

550707638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33599.

The product of its (nonzero) digits is 176400, while the sum is 41.

The square root of 550707638 is about 23467.1608423345. The cubic root of 550707638 is about 819.6725035646.

The spelling of 550707638 in words is "five hundred fifty million, seven hundred seven thousand, six hundred thirty-eight".