55844856 has 64 divisors (see below), whose sum is σ = 155940000. Its totient is φ = 18517248.

The previous prime is 55844843. The next prime is 55844861. The reversal of 55844856 is 65844855.

55844856 is a `hidden beast` number, since 558 + 4 + 48 + 56 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48900 + ... + 50028.

Almost surely, 2^55844856 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 55844856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (77970000).

55844856 is an abundant number, since it is smaller than the sum of its proper divisors (100095144).

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

55844856 is a wasteful number, since it uses less digits than its factorization.

55844856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1373 (or 1363 counting only the distinct ones).

The product of its digits is 768000, while the sum is 45.

The square root of 55844856 is about 7472.9415894947. The cubic root of 55844856 is about 382.2326004984.

Subtracting 55844856 from its reverse (65844855), we obtain a palindrome (9999999).

It can be divided in two parts, 5584 and 4856, that added together give a triangular number (10440 = T₁₄₄).

The spelling of 55844856 in words is "fifty-five million, eight hundred forty-four thousand, eight hundred fifty-six".