55600012 has 48 divisors (see below), whose sum is σ = 108025792. Its totient is φ = 24883200.

The previous prime is 55600009. The next prime is 55600031. The reversal of 55600012 is 21000655.

It is a happy number.

It is a super-2 number, since 2×55600012² = 6182722668800288, which contains 22 as substring.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 368137 + ... + 368287.

Almost surely, 2^55600012 is an apocalyptic number.

55600012 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

55600012 is a deficient number, since it is larger than the sum of its proper divisors (52425780).

55600012 is a wasteful number, since it uses less digits than its factorization.

55600012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 338 (or 336 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 19.

The square root of 55600012 is about 7456.5415575855. The cubic root of 55600012 is about 381.6731668981.

Adding to 55600012 its reverse (21000655), we get a palindrome (76600667).

The spelling of 55600012 in words is "fifty-five million, six hundred thousand, twelve".