55104102 has 24 divisors (see below), whose sum is σ = 120308760. Its totient is φ = 18227040.

The previous prime is 55104061. The next prime is 55104107. The reversal of 55104102 is 20140155.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55104107) 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, 9327 + ... + 14042.

It is an arithmetic number, because the mean of its divisors is an integer number (5012865).

Almost surely, 2^55104102 is an apocalyptic number.

55104102 is an abundant number, since it is smaller than the sum of its proper divisors (65204658).

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

55104102 is a wasteful number, since it uses less digits than its factorization.

55104102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23508 (or 23505 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 18.

The square root of 55104102 is about 7423.2137245266. The cubic root of 55104102 is about 380.5350311918.

Adding to 55104102 its reverse (20140155), we get a palindrome (75244257).

The spelling of 55104102 in words is "fifty-five million, one hundred four thousand, one hundred two".