550521422 has 16 divisors (see below), whose sum is σ = 940021632. Its totient is φ = 239356920.

The previous prime is 550521373. The next prime is 550521427. The reversal of 550521422 is 224125055.

It is a junction number, because it is equal to n+sod(n) for n = 550521391 and 550521400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (550521427) 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, 543488 + ... + 544499.

It is an arithmetic number, because the mean of its divisors is an integer number (58751352).

Almost surely, 2^550521422 is an apocalyptic number.

550521422 is a deficient number, since it is larger than the sum of its proper divisors (389500210).

550521422 is a wasteful number, since it uses less digits than its factorization.

550521422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1088023.

The product of its (nonzero) digits is 4000, while the sum is 26.

The square root of 550521422 is about 23463.1929199757. The cubic root of 550521422 is about 819.5801052685.

Adding to 550521422 its reverse (224125055), we get a palindrome (774646477).

The spelling of 550521422 in words is "five hundred fifty million, five hundred twenty-one thousand, four hundred twenty-two".