550404055 has 8 divisors (see below), whose sum is σ = 660618000. Its totient is φ = 440234496.

The previous prime is 550404011. The next prime is 550404059.

550404055 is nontrivially palindromic in base 10.

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 550404055 - 2²¹ = 548306903 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (550404059) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30096 + ... + 44794.

It is an arithmetic number, because the mean of its divisors is an integer number (82577250).

Almost surely, 2^550404055 is an apocalyptic number.

550404055 is a deficient number, since it is larger than the sum of its proper divisors (110213945).

550404055 is a wasteful number, since it uses less digits than its factorization.

550404055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22193.

The product of its (nonzero) digits is 10000, while the sum is 28.

The square root of 550404055 is about 23460.6916990953. The cubic root of 550404055 is about 819.5218583708.

Adding to 550404055 its product of nonzero digits (10000), we get a palindrome (550414055).

It can be divided in two parts, 55040 and 4055, that added together give a palindrome (59095).

The spelling of 550404055 in words is "five hundred fifty million, four hundred four thousand, fifty-five".