55032384 has 112 divisors (see below), whose sum is σ = 161519616. Its totient is φ = 16396800.

The previous prime is 55032377. The next prime is 55032407. The reversal of 55032384 is 48323055.

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, 149769 + ... + 150135.

Almost surely, 2^55032384 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 55032384, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (80759808).

55032384 is an abundant number, since it is smaller than the sum of its proper divisors (106487232).

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

55032384 is a wasteful number, since it uses less digits than its factorization.

55032384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 464 (or 454 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 30.

The square root of 55032384 is about 7418.3814946388. The cubic root of 55032384 is about 380.3698707120.

It can be divided in two parts, 5503 and 2384, that added together give a palindrome (7887).

The spelling of 55032384 in words is "fifty-five million, thirty-two thousand, three hundred eighty-four".