55680858 has 20 divisors (see below), whose sum is σ = 124766730. Its totient is φ = 18560232.

The previous prime is 55680857. The next prime is 55680869. The reversal of 55680858 is 85808655.

55680858 is a `hidden beast` number, since 5 + 568 + 0 + 85 + 8 = 666.

It can be written as a sum of positive squares in only one way, i.e., 45927729 + 9753129 = 6777^2 + 3123^2 .

It is not an unprimeable number, because it can be changed into a prime (55680857) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 171693 + ... + 172016.

Almost surely, 2^55680858 is an apocalyptic number.

55680858 is an abundant number, since it is smaller than the sum of its proper divisors (69085872).

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

55680858 is a wasteful number, since it uses less digits than its factorization.

55680858 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 343723 (or 343714 counting only the distinct ones).

The product of its (nonzero) digits is 384000, while the sum is 45.

The square root of 55680858 is about 7461.9607342843. The cubic root of 55680858 is about 381.8580697660.

The spelling of 55680858 in words is "fifty-five million, six hundred eighty thousand, eight hundred fifty-eight".