550211420 has 24 divisors (see below), whose sum is σ = 1260484848. Its totient is φ = 200076800.

The previous prime is 550211419. The next prime is 550211479. The reversal of 550211420 is 24112055.

550211420 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 550211392 and 550211401.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1250261 + ... + 1250700.

It is an arithmetic number, because the mean of its divisors is an integer number (52520202).

Almost surely, 2^550211420 is an apocalyptic number.

It is an amenable number.

550211420 is an abundant number, since it is smaller than the sum of its proper divisors (710273428).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

550211420 is a wasteful number, since it uses less digits than its factorization.

550211420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2500981 (or 2500979 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 20.

The square root of 550211420 is about 23456.5858555758. The cubic root of 550211420 is about 819.4262395173.

Adding to 550211420 its reverse (24112055), we get a palindrome (574323475).

The spelling of 550211420 in words is "five hundred fifty million, two hundred eleven thousand, four hundred twenty".