55411344 has 80 divisors (see below), whose sum is σ = 164572800. Its totient is φ = 17829504.

The previous prime is 55411337. The next prime is 55411387. The reversal of 55411344 is 44311455.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (27).

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, 10317 + ... + 14739.

It is an arithmetic number, because the mean of its divisors is an integer number (2057160).

Almost surely, 2^55411344 is an apocalyptic number.

55411344 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55411344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (82286400).

55411344 is an abundant number, since it is smaller than the sum of its proper divisors (109161456).

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

55411344 is a wasteful number, since it uses less digits than its factorization.

55411344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4469 (or 4457 counting only the distinct ones).

The product of its digits is 4800, while the sum is 27.

The square root of 55411344 is about 7443.8796336319. The cubic root of 55411344 is about 381.2409660495.

Adding to 55411344 its reverse (44311455), we get a palindrome (99722799).

It can be divided in two parts, 55411 and 344, that added together give a palindrome (55755).

The spelling of 55411344 in words is "fifty-five million, four hundred eleven thousand, three hundred forty-four".