550510401 has 8 divisors (see below), whose sum is σ = 838873024. Its totient is φ = 314577360.

The previous prime is 550510397. The next prime is 550510409. The reversal of 550510401 is 104015055.

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

It is not a de Polignac number, because 550510401 - 2² = 550510397 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 26214781 = 550510401 / (5 + 5 + 0 + 5 + 1 + 0 + 4 + 0 + 1).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (550510409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13107370 + ... + 13107411.

It is an arithmetic number, because the mean of its divisors is an integer number (104859128).

Almost surely, 2^550510401 is an apocalyptic number.

It is an amenable number.

550510401 is a deficient number, since it is larger than the sum of its proper divisors (288362623).

550510401 is a wasteful number, since it uses less digits than its factorization.

550510401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26214791.

The product of its (nonzero) digits is 500, while the sum is 21.

The square root of 550510401 is about 23462.9580615915. The cubic root of 550510401 is about 819.5746361185.

Adding to 550510401 its reverse (104015055), we get a palindrome (654525456).

The spelling of 550510401 in words is "five hundred fifty million, five hundred ten thousand, four hundred one".