551245145230 has 32 divisors (see below), whose sum is σ = 1083617777088. Its totient is φ = 200669952000.

The previous prime is 551245145183. The next prime is 551245145233. The reversal of 551245145230 is 32541542155.

It is a self number, because there is not a number n which added to its sum of digits gives 551245145230.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (551245145233) 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, 29852371 + ... + 29870830.

It is an arithmetic number, because the mean of its divisors is an integer number (33863055534).

Almost surely, 2^551245145230 is an apocalyptic number.

551245145230 is a deficient number, since it is larger than the sum of its proper divisors (532372631858).

551245145230 is a wasteful number, since it uses less digits than its factorization.

551245145230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59723292.

The product of its (nonzero) digits is 120000, while the sum is 37.

Adding to 551245145230 its reverse (32541542155), we get a palindrome (583786687385).

The spelling of 551245145230 in words is "five hundred fifty-one billion, two hundred forty-five million, one hundred forty-five thousand, two hundred thirty".