55066768 has 10 divisors (see below), whose sum is σ = 106691894. Its totient is φ = 27533376.

The previous prime is 55066733. The next prime is 55066783. The reversal of 55066768 is 86766055.

It can be written as a sum of positive squares in only one way, i.e., 54641664 + 425104 = 7392^2 + 652^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1720821 + ... + 1720852.

Almost surely, 2^55066768 is an apocalyptic number.

It is an amenable number.

55066768 is a deficient number, since it is larger than the sum of its proper divisors (51625126).

55066768 is a wasteful number, since it uses less digits than its factorization.

55066768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3441681 (or 3441675 counting only the distinct ones).

The product of its (nonzero) digits is 302400, while the sum is 43.

The square root of 55066768 is about 7420.6986194024. The cubic root of 55066768 is about 380.4490720465.

The spelling of 55066768 in words is "fifty-five million, sixty-six thousand, seven hundred sixty-eight".