55112688 has 30 divisors (see below), whose sum is σ = 154239384. Its totient is φ = 18370848.

The previous prime is 55112677. The next prime is 55112693. The reversal of 55112688 is 88621155.

55112688 is a `hidden beast` number, since 551 + 1 + 26 + 88 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 191220 + ... + 191507.

Almost surely, 2^55112688 is an apocalyptic number.

It is an amenable number.

55112688 is an abundant number, since it is smaller than the sum of its proper divisors (99126696).

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

55112688 is a wasteful number, since it uses less digits than its factorization.

55112688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 382741 (or 382732 counting only the distinct ones).

The product of its digits is 19200, while the sum is 36.

The square root of 55112688 is about 7423.7920229489. The cubic root of 55112688 is about 380.5547944156.

The spelling of 55112688 in words is "fifty-five million, one hundred twelve thousand, six hundred eighty-eight".