550985770 has 8 divisors (see below), whose sum is σ = 991774404. Its totient is φ = 220394304.

The previous prime is 550985753. The next prime is 550985801. The reversal of 550985770 is 77589055.

It can be written as a sum of positive squares in 2 ways, for example, as 534118321 + 16867449 = 23111^2 + 4107^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 550985770.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27549279 + ... + 27549298.

Almost surely, 2^550985770 is an apocalyptic number.

550985770 is a deficient number, since it is larger than the sum of its proper divisors (440788634).

550985770 is a wasteful number, since it uses less digits than its factorization.

550985770 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55098584.

The product of its (nonzero) digits is 441000, while the sum is 46.

The square root of 550985770 is about 23473.0860774633. The cubic root of 550985770 is about 819.8104707715.

The spelling of 550985770 in words is "five hundred fifty million, nine hundred eighty-five thousand, seven hundred seventy".