556140100 has 18 divisors (see below), whose sum is σ = 1206824234. Its totient is φ = 222456000.

The previous prime is 556140071. The next prime is 556140103. The reversal of 556140100 is 1041655.

It can be written as a sum of positive squares in 3 ways, for example, as 172607044 + 383533056 = 13138^2 + 19584^2 .

It is not an unprimeable number, because it can be changed into a prime (556140103) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2780601 + ... + 2780800.

Almost surely, 2^556140100 is an apocalyptic number.

556140100 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

556140100 is an abundant number, since it is smaller than the sum of its proper divisors (650684134).

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

556140100 is a wasteful number, since it uses less digits than its factorization.

556140100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5561415 (or 5561408 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 22.

The square root of 556140100 is about 23582.6228397098. The cubic root of 556140100 is about 822.3589124937.

Adding to 556140100 its reverse (1041655), we get a palindrome (557181755).

The spelling of 556140100 in words is "five hundred fifty-six million, one hundred forty thousand, one hundred".