551116424 has 32 divisors (see below), whose sum is σ = 1060660440. Its totient is φ = 268300800.

The previous prime is 551116393. The next prime is 551116427. The reversal of 551116424 is 424611155.

It can be written as a sum of positive squares in 4 ways, for example, as 94439524 + 456676900 = 9718^2 + 21370^2 .

It is not an unprimeable number, because it can be changed into a prime (551116427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 199694 + ... + 202434.

Almost surely, 2^551116424 is an apocalyptic number.

It is an amenable number.

551116424 is a deficient number, since it is larger than the sum of its proper divisors (509544016).

551116424 is a wasteful number, since it uses less digits than its factorization.

551116424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3401 (or 3397 counting only the distinct ones).

The product of its digits is 4800, while the sum is 29.

The square root of 551116424 is about 23475.8689722021. The cubic root of 551116424 is about 819.8752655798.

Adding to 551116424 its reverse (424611155), we get a palindrome (975727579).

The spelling of 551116424 in words is "five hundred fifty-one million, one hundred sixteen thousand, four hundred twenty-four".