55541112 has 64 divisors (see below), whose sum is σ = 153048960. Its totient is φ = 16656000.

The previous prime is 55541111. The next prime is 55541141. The reversal of 55541112 is 21114555.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55541111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25623 + ... + 27705.

It is an arithmetic number, because the mean of its divisors is an integer number (2391390).

Almost surely, 2^55541112 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 55541112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (76524480).

55541112 is an abundant number, since it is smaller than the sum of its proper divisors (97507848).

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

55541112 is a wasteful number, since it uses less digits than its factorization.

55541112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2204 (or 2200 counting only the distinct ones).

The product of its digits is 1000, while the sum is 24.

The square root of 55541112 is about 7452.5909588545. The cubic root of 55541112 is about 381.5383438308.

Adding to 55541112 its reverse (21114555), we get a palindrome (76655667).

It can be divided in two parts, 5554 and 1112, that added together give a palindrome (6666).

The spelling of 55541112 in words is "fifty-five million, five hundred forty-one thousand, one hundred twelve".