551224530 has 24 divisors (see below), whose sum is σ = 1433184012. Its totient is φ = 146993184.

The previous prime is 551224529. The next prime is 551224573. The reversal of 551224530 is 35422155.

It is a happy number.

551224530 is a `hidden beast` number, since 5 + 5 + 122 + 4 + 530 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 542098089 + 9126441 = 23283^2 + 3021^2 .

It is a junction number, because it is equal to n+sod(n) for n = 551224494 and 551224503.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3062269 + ... + 3062448.

Almost surely, 2^551224530 is an apocalyptic number.

551224530 is an abundant number, since it is smaller than the sum of its proper divisors (881959482).

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

551224530 is a wasteful number, since it uses less digits than its factorization.

551224530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6124730 (or 6124727 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 27.

The square root of 551224530 is about 23478.1713512786. The cubic root of 551224530 is about 819.9288704909.

Adding to 551224530 its reverse (35422155), we get a palindrome (586646685).

The spelling of 551224530 in words is "five hundred fifty-one million, two hundred twenty-four thousand, five hundred thirty".