55866708 has 18 divisors (see below), whose sum is σ = 141218714. Its totient is φ = 18622224.

The previous prime is 55866703. The next prime is 55866737. The reversal of 55866708 is 80766855.

55866708 is a `hidden beast` number, since 5 + 586 + 67 + 0 + 8 = 666.

55866708 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 50722884 + 5143824 = 7122^2 + 2268^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55866703) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 775891 + ... + 775962.

Almost surely, 2^55866708 is an apocalyptic number.

It is an amenable number.

55866708 is an abundant number, since it is smaller than the sum of its proper divisors (85352006).

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

55866708 is a wasteful number, since it uses less digits than its factorization.

55866708 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1551863 (or 1551858 counting only the distinct ones).

The product of its (nonzero) digits is 403200, while the sum is 45.

The square root of 55866708 is about 7474.4035213521. The cubic root of 55866708 is about 382.2824496589.

The spelling of 55866708 in words is "fifty-five million, eight hundred sixty-six thousand, seven hundred eight".