550449654 has 8 divisors (see below), whose sum is σ = 1100899320. Its totient is φ = 183483216.

The previous prime is 550449637. The next prime is 550449659. The reversal of 550449654 is 456944055.

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

550449654 is an admirable number.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (550449659) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45870799 + ... + 45870810.

It is an arithmetic number, because the mean of its divisors is an integer number (137612415).

Almost surely, 2^550449654 is an apocalyptic number.

550449654 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

550449654 is a wasteful number, since it uses less digits than its factorization.

550449654 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91741614.

The product of its (nonzero) digits is 432000, while the sum is 42.

The square root of 550449654 is about 23461.6634960098. The cubic root of 550449654 is about 819.5444892271.

The spelling of 550449654 in words is "five hundred fifty million, four hundred forty-nine thousand, six hundred fifty-four".