550536686 has 16 divisors (see below), whose sum is σ = 944291040. Its totient is φ = 235815840.

The previous prime is 550536683. The next prime is 550536691. The reversal of 550536686 is 686635055.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (550536683) by changing a digit.

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, 18716 + ... + 38096.

It is an arithmetic number, because the mean of its divisors is an integer number (59018190).

Almost surely, 2^550536686 is an apocalyptic number.

550536686 is a deficient number, since it is larger than the sum of its proper divisors (393754354).

550536686 is a wasteful number, since it uses less digits than its factorization.

550536686 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21419.

The product of its (nonzero) digits is 648000, while the sum is 44.

The square root of 550536686 is about 23463.5181931440. The cubic root of 550536686 is about 819.5876798784.

The spelling of 550536686 in words is "five hundred fifty million, five hundred thirty-six thousand, six hundred eighty-six".