550125330 has 32 divisors (see below), whose sum is σ = 1330388928. Its totient is φ = 145579200.

The previous prime is 550125313. The next prime is 550125353. The reversal of 550125330 is 33521055.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 550125330.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 66061 + ... + 73920.

It is an arithmetic number, because the mean of its divisors is an integer number (41574654).

Almost surely, 2^550125330 is an apocalyptic number.

550125330 is an abundant number, since it is smaller than the sum of its proper divisors (780263598).

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

550125330 is a wasteful number, since it uses less digits than its factorization.

550125330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140122.

The product of its (nonzero) digits is 2250, while the sum is 24.

The square root of 550125330 is about 23454.7506914911. The cubic root of 550125330 is about 819.3834995316.

Adding to 550125330 its reverse (33521055), we get a palindrome (583646385).

The spelling of 550125330 in words is "five hundred fifty million, one hundred twenty-five thousand, three hundred thirty".