55668528 has 30 divisors (see below), whose sum is σ = 155794964. Its totient is φ = 18556128.

The previous prime is 55668517. The next prime is 55668551. The reversal of 55668528 is 82586655.

55668528 is a `hidden beast` number, since 5 + 566 + 85 + 2 + 8 = 666.

55668528 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

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, 193150 + ... + 193437.

Almost surely, 2^55668528 is an apocalyptic number.

It is an amenable number.

55668528 is an abundant number, since it is smaller than the sum of its proper divisors (100126436).

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

55668528 is a wasteful number, since it uses less digits than its factorization.

55668528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 386601 (or 386592 counting only the distinct ones).

The product of its digits is 576000, while the sum is 45.

The square root of 55668528 is about 7461.1344981846. The cubic root of 55668528 is about 381.8298813978.

The spelling of 55668528 in words is "fifty-five million, six hundred sixty-eight thousand, five hundred twenty-eight".