550404222401 has 8 divisors (see below), whose sum is σ = 600484623744. Its totient is φ = 500331096720.

The previous prime is 550404222367. The next prime is 550404222409. The reversal of 550404222401 is 104222404055.

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-550404222401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (550404222409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1660130 + ... + 1963883.

It is an arithmetic number, because the mean of its divisors is an integer number (75060577968).

Almost surely, 2^550404222401 is an apocalyptic number.

It is an amenable number.

550404222401 is a deficient number, since it is larger than the sum of its proper divisors (50080401343).

550404222401 is a wasteful number, since it uses less digits than its factorization.

550404222401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3637831.

The product of its (nonzero) digits is 12800, while the sum is 29.

Adding to 550404222401 its reverse (104222404055), we get a palindrome (654626626456).

The spelling of 550404222401 in words is "five hundred fifty billion, four hundred four million, two hundred twenty-two thousand, four hundred one".