55668212 has 12 divisors (see below), whose sum is σ = 97647396. Its totient is φ = 27768960.

The previous prime is 55668199. The next prime is 55668227. The reversal of 55668212 is 21286655.

It can be written as a sum of positive squares in 2 ways, for example, as 34175716 + 21492496 = 5846^2 + 4636^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14339 + ... + 17802.

It is an arithmetic number, because the mean of its divisors is an integer number (8137283).

Almost surely, 2^55668212 is an apocalyptic number.

It is an amenable number.

55668212 is a deficient number, since it is larger than the sum of its proper divisors (41979184).

55668212 is a wasteful number, since it uses less digits than its factorization.

55668212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32578 (or 32576 counting only the distinct ones).

The product of its digits is 28800, while the sum is 35.

The square root of 55668212 is about 7461.1133217503. The cubic root of 55668212 is about 381.8291589162.

The spelling of 55668212 in words is "fifty-five million, six hundred sixty-eight thousand, two hundred twelve".