551120030 has 16 divisors (see below), whose sum is σ = 992364480. Its totient is φ = 220370592.

The previous prime is 551120021. The next prime is 551120039. The reversal of 551120030 is 30021155.

551120030 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (551120021) and next prime (551120039).

It is a junction number, because it is equal to n+sod(n) for n = 551119990 and 551120008.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (551120039) 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, 26747 + ... + 42633.

It is an arithmetic number, because the mean of its divisors is an integer number (62022780).

Almost surely, 2^551120030 is an apocalyptic number.

551120030 is a deficient number, since it is larger than the sum of its proper divisors (441244450).

551120030 is a wasteful number, since it uses less digits than its factorization.

551120030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19363.

The product of its (nonzero) digits is 150, while the sum is 17.

The square root of 551120030 is about 23475.9457743453. The cubic root of 551120030 is about 819.8770537463.

Adding to 551120030 its reverse (30021155), we get a palindrome (581141185).

The spelling of 551120030 in words is "five hundred fifty-one million, one hundred twenty thousand, thirty".