55103104 has 64 divisors (see below), whose sum is σ = 127051200. Its totient is φ = 23316480.

The previous prime is 55103099. The next prime is 55103107. The reversal of 55103104 is 40130155.

It is a tau number, because it is divible by the number of its divisors (64).

It is not an unprimeable number, because it can be changed into a prime (55103107) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 79399 + ... + 80089.

It is an arithmetic number, because the mean of its divisors is an integer number (1985175).

Almost surely, 2^55103104 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 55103104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (63525600).

55103104 is an abundant number, since it is smaller than the sum of its proper divisors (71948096).

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

55103104 is an equidigital number, since it uses as much as digits as its factorization.

55103104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 801 (or 789 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 19.

The square root of 55103104 is about 7423.1465026631. The cubic root of 55103104 is about 380.5327338658.

Adding to 55103104 its reverse (40130155), we get a palindrome (95233259).

The spelling of 55103104 in words is "fifty-five million, one hundred three thousand, one hundred four".