55078112 has 48 divisors (see below), whose sum is σ = 115068240. Its totient is φ = 25878528.

The previous prime is 55078109. The next prime is 55078151. The reversal of 55078112 is 21187055.

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 7 ways as a sum of consecutive naturals, for example, 95168 + ... + 95744.

It is an arithmetic number, because the mean of its divisors is an integer number (2397255).

Almost surely, 2^55078112 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 55078112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (57534120).

55078112 is an abundant number, since it is smaller than the sum of its proper divisors (59990128).

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

55078112 is a wasteful number, since it uses less digits than its factorization.

55078112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 763 (or 755 counting only the distinct ones).

The product of its (nonzero) digits is 2800, while the sum is 29.

The square root of 55078112 is about 7421.4629285606. The cubic root of 55078112 is about 380.4751949884.

The spelling of 55078112 in words is "fifty-five million, seventy-eight thousand, one hundred twelve".