550500401 has 8 divisors (see below), whose sum is σ = 600717600. Its totient is φ = 500311840.

The previous prime is 550500371. The next prime is 550500403. The reversal of 550500401 is 104005055.

550500401 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-550500401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (550500403) 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, 62870 + ... + 71088.

It is an arithmetic number, because the mean of its divisors is an integer number (75089700).

Almost surely, 2^550500401 is an apocalyptic number.

It is an amenable number.

550500401 is a deficient number, since it is larger than the sum of its proper divisors (50217199).

550500401 is a wasteful number, since it uses less digits than its factorization.

550500401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14319.

The product of its (nonzero) digits is 500, while the sum is 20.

The square root of 550500401 is about 23462.7449587639. The cubic root of 550500401 is about 819.5696735747.

Adding to 550500401 its reverse (104005055), we get a palindrome (654505456).

The spelling of 550500401 in words is "five hundred fifty million, five hundred thousand, four hundred one".