55056112 has 60 divisors (see below), whose sum is σ = 115372080. Its totient is φ = 25400320.

The previous prime is 55056103. The next prime is 55056121. The reversal of 55056112 is 21165055.

It is an interprime number because it is at equal distance from previous prime (55056103) and next prime (55056121).

It is a congruent number.

It is an unprimeable number.

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, 618564 + ... + 618652.

It is an arithmetic number, because the mean of its divisors is an integer number (1922868).

Almost surely, 2^55056112 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55056112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (57686040).

55056112 is an abundant number, since it is smaller than the sum of its proper divisors (60315968).

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

55056112 is a wasteful number, since it uses less digits than its factorization.

55056112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 202 (or 155 counting only the distinct ones).

The product of its (nonzero) digits is 1500, while the sum is 25.

The square root of 55056112 is about 7419.9805929665. The cubic root of 55056112 is about 380.4245301616.

The spelling of 55056112 in words is "fifty-five million, fifty-six thousand, one hundred twelve".