550422525421 has 16 divisors (see below), whose sum is σ = 597494487744. Its totient is φ = 505029337344.

The previous prime is 550422525409. The next prime is 550422525437. The reversal of 550422525421 is 124525224055.

It is a cyclic number.

It is not a de Polignac number, because 550422525421 - 2²¹ = 550420428269 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (550422525481) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 337546 + ... + 1102171.

It is an arithmetic number, because the mean of its divisors is an integer number (37343405484).

Almost surely, 2^550422525421 is an apocalyptic number.

It is an amenable number.

550422525421 is a deficient number, since it is larger than the sum of its proper divisors (47071962323).

550422525421 is a wasteful number, since it uses less digits than its factorization.

550422525421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1440300.

The product of its (nonzero) digits is 160000, while the sum is 37.

Adding to 550422525421 its reverse (124525224055), we get a palindrome (674947749476).

The spelling of 550422525421 in words is "five hundred fifty billion, four hundred twenty-two million, five hundred twenty-five thousand, four hundred twenty-one".