550161886 has 16 divisors (see below), whose sum is σ = 861954048. Its totient is φ = 262867000.

The previous prime is 550161883. The next prime is 550161893. The reversal of 550161886 is 688161055.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (550161881) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47751 + ... + 58141.

It is an arithmetic number, because the mean of its divisors is an integer number (53872128).

Almost surely, 2^550161886 is an apocalyptic number.

550161886 is a deficient number, since it is larger than the sum of its proper divisors (311792162).

550161886 is a wasteful number, since it uses less digits than its factorization.

550161886 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11567.

The product of its (nonzero) digits is 57600, while the sum is 40.

The square root of 550161886 is about 23455.5299663001. The cubic root of 550161886 is about 819.4016485594.

The spelling of 550161886 in words is "five hundred fifty million, one hundred sixty-one thousand, eight hundred eighty-six".