55104812 has 36 divisors (see below), whose sum is σ = 112709520. Its totient is φ = 23504544.

The previous prime is 55104811. The next prime is 55104839. The reversal of 55104812 is 21840155.

It is not an unprimeable number, because it can be changed into a prime (55104811) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 51014 + ... + 52082.

It is an arithmetic number, because the mean of its divisors is an integer number (3130820).

Almost surely, 2^55104812 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 55104812, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (56354760).

55104812 is an abundant number, since it is smaller than the sum of its proper divisors (57604708).

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

55104812 is a wasteful number, since it uses less digits than its factorization.

55104812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1350 (or 1341 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 26.

The square root of 55104812 is about 7423.2615473254. The cubic root of 55104812 is about 380.5366655451.

Adding to 55104812 its reverse (21840155), we get a palindrome (76944967).

The spelling of 55104812 in words is "fifty-five million, one hundred four thousand, eight hundred twelve".