551230238 has 16 divisors (see below), whose sum is σ = 891088800. Its totient is φ = 254231136.

The previous prime is 551230237. The next prime is 551230249. The reversal of 551230238 is 832032155.

551230238 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 551230238.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (551230237) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33431 + ... + 47117.

It is an arithmetic number, because the mean of its divisors is an integer number (55693050).

Almost surely, 2^551230238 is an apocalyptic number.

551230238 is a deficient number, since it is larger than the sum of its proper divisors (339858562).

551230238 is a wasteful number, since it uses less digits than its factorization.

551230238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15251.

The product of its (nonzero) digits is 7200, while the sum is 29.

The square root of 551230238 is about 23478.2929106867. The cubic root of 551230238 is about 819.9317006370.

The spelling of 551230238 in words is "five hundred fifty-one million, two hundred thirty thousand, two hundred thirty-eight".