551630600 has 48 divisors (see below), whose sum is σ = 1284091920. Its totient is φ = 220385600.

The previous prime is 551630581. The next prime is 551630609. The reversal of 551630600 is 6036155.

It is a self number, because there is not a number n which added to its sum of digits gives 551630600.

It is not an unprimeable number, because it can be changed into a prime (551630609) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 303695 + ... + 305505.

It is an arithmetic number, because the mean of its divisors is an integer number (26751915).

Almost surely, 2^551630600 is an apocalyptic number.

551630600 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

551630600 is an abundant number, since it is smaller than the sum of its proper divisors (732461320).

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

551630600 is a wasteful number, since it uses less digits than its factorization.

551630600 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3350 (or 3341 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 26.

The square root of 551630600 is about 23486.8175792294. The cubic root of 551630600 is about 820.1301597866.

Adding to 551630600 its reverse (6036155), we get a palindrome (557666755).

The spelling of 551630600 in words is "five hundred fifty-one million, six hundred thirty thousand, six hundred".