550025541223401 has 4 divisors (see below), whose sum is σ = 733367388297872. Its totient is φ = 366683694148932.

The previous prime is 550025541223397. The next prime is 550025541223429. The reversal of 550025541223401 is 104322145520055.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 550025541223401 - 2² = 550025541223397 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 550025541223401.

It is not an unprimeable number, because it can be changed into a prime (550025541223481) 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, 91670923537231 + ... + 91670923537236.

It is an arithmetic number, because the mean of its divisors is an integer number (183341847074468).

Almost surely, 2^{550025541223401} is an apocalyptic number.

It is an amenable number.

550025541223401 is a deficient number, since it is larger than the sum of its proper divisors (183341847074471).

550025541223401 is a wasteful number, since it uses less digits than its factorization.

550025541223401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 183341847074470.

The product of its (nonzero) digits is 240000, while the sum is 39.

Adding to 550025541223401 its reverse (104322145520055), we get a palindrome (654347686743456).

The spelling of 550025541223401 in words is "five hundred fifty trillion, twenty-five billion, five hundred forty-one million, two hundred twenty-three thousand, four hundred one".