550422421157 has 8 divisors (see below), whose sum is σ = 637914114432. Its totient is φ = 465145707600.

The previous prime is 550422421117. The next prime is 550422421187. The reversal of 550422421157 is 751124224055.

550422421157 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 not a de Polignac number, because 550422421157 - 2⁶ = 550422421093 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 550422421157.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (550422421117) 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, 553744394 + ... + 553745387.

It is an arithmetic number, because the mean of its divisors is an integer number (79739264304).

Almost surely, 2^550422421157 is an apocalyptic number.

It is an amenable number.

550422421157 is a deficient number, since it is larger than the sum of its proper divisors (87491693275).

550422421157 is a wasteful number, since it uses less digits than its factorization.

550422421157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1107489859.

The product of its (nonzero) digits is 112000, while the sum is 38.

The spelling of 550422421157 in words is "five hundred fifty billion, four hundred twenty-two million, four hundred twenty-one thousand, one hundred fifty-seven".