550436366 has 4 divisors (see below), whose sum is σ = 825654552. Its totient is φ = 275218182.

The previous prime is 550436363. The next prime is 550436389. The reversal of 550436366 is 663634055.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (550436363) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 137609090 + ... + 137609093.

It is an arithmetic number, because the mean of its divisors is an integer number (206413638).

Almost surely, 2^550436366 is an apocalyptic number.

550436366 is a deficient number, since it is larger than the sum of its proper divisors (275218186).

550436366 is a wasteful number, since it uses less digits than its factorization.

550436366 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 275218185.

The product of its (nonzero) digits is 194400, while the sum is 38.

The square root of 550436366 is about 23461.3803089247. The cubic root of 550436366 is about 819.5378945006.

The spelling of 550436366 in words is "five hundred fifty million, four hundred thirty-six thousand, three hundred sixty-six".