550231630 has 32 divisors (see below), whose sum is σ = 1068336864. Its totient is φ = 202832256.

The previous prime is 550231609. The next prime is 550231631. The reversal of 550231630 is 36132055.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 550231595 and 550231604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (550231631) 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, 85692 + ... + 91888.

It is an arithmetic number, because the mean of its divisors is an integer number (33385527).

Almost surely, 2^550231630 is an apocalyptic number.

550231630 is a deficient number, since it is larger than the sum of its proper divisors (518105234).

550231630 is a wasteful number, since it uses less digits than its factorization.

550231630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6900.

The product of its (nonzero) digits is 2700, while the sum is 25.

The square root of 550231630 is about 23457.0166474767. The cubic root of 550231630 is about 819.4362722677.

Adding to 550231630 its reverse (36132055), we get a palindrome (586363685).

The spelling of 550231630 in words is "five hundred fifty million, two hundred thirty-one thousand, six hundred thirty".