550194955 has 8 divisors (see below), whose sum is σ = 670088592. Its totient is φ = 433586208.

The previous prime is 550194923. The next prime is 550194959. The reversal of 550194955 is 559491055.

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

It is a cyclic number.

It is not a de Polignac number, because 550194955 - 2⁵ = 550194923 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (550194959) 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, 820852 + ... + 821521.

It is an arithmetic number, because the mean of its divisors is an integer number (83761074).

Almost surely, 2^550194955 is an apocalyptic number.

550194955 is a deficient number, since it is larger than the sum of its proper divisors (119893637).

550194955 is a wasteful number, since it uses less digits than its factorization.

550194955 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1642445.

The product of its (nonzero) digits is 202500, while the sum is 43.

The square root of 550194955 is about 23456.2348854201. The cubic root of 550194955 is about 819.4180656971.

The spelling of 550194955 in words is "five hundred fifty million, one hundred ninety-four thousand, nine hundred fifty-five".