55668888 has 48 divisors (see below), whose sum is σ = 164478600. Its totient is φ = 16869120.

The previous prime is 55668887. The next prime is 55668889. The reversal of 55668888 is 88886655.

55668888 is a `hidden beast` number, since 556 + 6 + 8 + 8 + 88 = 666.

It is an interprime number because it is at equal distance from previous prime (55668887) and next prime (55668889).

It is a plaindrome in base 10.

It is a zygodrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55668881) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 34353 + ... + 35936.

Almost surely, 2^55668888 is an apocalyptic number.

It is an amenable number.

55668888 is an abundant number, since it is smaller than the sum of its proper divisors (108809712).

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

55668888 is a wasteful number, since it uses less digits than its factorization.

55668888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70312 (or 70305 counting only the distinct ones).

The product of its digits is 3686400, while the sum is 54.

The square root of 55668888 is about 7461.1586231630. The cubic root of 55668888 is about 381.8307044749.

The spelling of 55668888 in words is "fifty-five million, six hundred sixty-eight thousand, eight hundred eighty-eight".