55680268 has 18 divisors (see below), whose sum is σ = 113349516. Its totient is φ = 23862888.

The previous prime is 55680221. The next prime is 55680271. The reversal of 55680268 is 86208655.

It is a self number, because there is not a number n which added to its sum of digits gives 55680268.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 141846 + ... + 142237.

Almost surely, 2^55680268 is an apocalyptic number.

It is an amenable number.

55680268 is an abundant number, since it is smaller than the sum of its proper divisors (57669248).

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

55680268 is a wasteful number, since it uses less digits than its factorization.

55680268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 284101 (or 284092 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 40.

The square root of 55680268 is about 7461.9212003344. The cubic root of 55680268 is about 381.8567210257.

The spelling of 55680268 in words is "fifty-five million, six hundred eighty thousand, two hundred sixty-eight".