55033856 has 30 divisors (see below), whose sum is σ = 110097120. Its totient is φ = 27508736.

The previous prime is 55033841. The next prime is 55033873. The reversal of 55033856 is 65833055.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14705 + ... + 18063.

It is an arithmetic number, because the mean of its divisors is an integer number (3669904).

Almost surely, 2^55033856 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 55033856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (55048560).

55033856 is an abundant number, since it is smaller than the sum of its proper divisors (55063264).

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

55033856 is an frugal number, since it uses more digits than its factorization.

55033856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3387 (or 3361 counting only the distinct ones).

The product of its (nonzero) digits is 54000, while the sum is 35.

The square root of 55033856 is about 7418.4807069912. The cubic root of 55033856 is about 380.3732620453.

The spelling of 55033856 in words is "fifty-five million, thirty-three thousand, eight hundred fifty-six".