55411044 has 72 divisors (see below), whose sum is σ = 142037280. Its totient is φ = 16803072.

The previous prime is 55411009. The next prime is 55411051. The reversal of 55411044 is 44011455.

It is a happy 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 23 ways as a sum of consecutive naturals, for example, 180339 + ... + 180645.

It is an arithmetic number, because the mean of its divisors is an integer number (1972740).

Almost surely, 2^55411044 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 55411044, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (71018640).

55411044 is an abundant number, since it is smaller than the sum of its proper divisors (86626236).

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

55411044 is a wasteful number, since it uses less digits than its factorization.

55411044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 429 (or 414 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 24.

The square root of 55411044 is about 7443.8594828221. The cubic root of 55411044 is about 381.2402780285.

Adding to 55411044 its reverse (44011455), we get a palindrome (99422499).

The spelling of 55411044 in words is "fifty-five million, four hundred eleven thousand, forty-four".