55686888 has 48 divisors (see below), whose sum is σ = 153674820. Its totient is φ = 18210816.

The previous prime is 55686877. The next prime is 55686889. The reversal of 55686888 is 88868655.

55686888 is a `hidden beast` number, since 556 + 8 + 6 + 8 + 88 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 54730404 + 956484 = 7398^2 + 978^2 .

It is a super-3 number, since 3×55686888³ (a number of 24 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (55686889) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3481 + ... + 11112.

Almost surely, 2^55686888 is an apocalyptic number.

It is an amenable number.

55686888 is an abundant number, since it is smaller than the sum of its proper divisors (97987932).

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

55686888 is a wasteful number, since it uses less digits than its factorization.

55686888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14658 (or 14651 counting only the distinct ones).

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

The square root of 55686888 is about 7462.3647726441. The cubic root of 55686888 is about 381.8718538032.

The spelling of 55686888 in words is "fifty-five million, six hundred eighty-six thousand, eight hundred eighty-eight".