551386230 has 32 divisors (see below), whose sum is σ = 1330732800. Its totient is φ = 146213472.

The previous prime is 551386219. The next prime is 551386261. The reversal of 551386230 is 32683155.

It is a super-2 number, since 2×551386230² = 608053549267225800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 551386191 and 551386200.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45970 + ... + 56709.

It is an arithmetic number, because the mean of its divisors is an integer number (41585400).

Almost surely, 2^551386230 is an apocalyptic number.

551386230 is an abundant number, since it is smaller than the sum of its proper divisors (779346570).

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

551386230 is a wasteful number, since it uses less digits than its factorization.

551386230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102868.

The product of its (nonzero) digits is 21600, while the sum is 33.

The square root of 551386230 is about 23481.6147230126. The cubic root of 551386230 is about 820.0090371798.

The spelling of 551386230 in words is "five hundred fifty-one million, three hundred eighty-six thousand, two hundred thirty".