55101010104 has 144 divisors (see below), whose sum is σ = 177102572400. Its totient is φ = 15743040768.

The previous prime is 55101010091. The next prime is 55101010117. The reversal of 55101010104 is 40101010155.

It is a happy number.

55101010104 is a `hidden beast` number, since 551 + 0 + 1 + 0 + 10 + 104 = 666.

It is an interprime number because it is at equal distance from previous prime (55101010091) and next prime (55101010117).

It is a super-2 number, since 2×55101010104² (a number of 22 digits) contains 22 as substring.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 292432 + ... + 442400.

It is an arithmetic number, because the mean of its divisors is an integer number (1229878975).

Almost surely, 2^55101010104 is an apocalyptic number.

55101010104 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 55101010104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (88551286200).

55101010104 is an abundant number, since it is smaller than the sum of its proper divisors (122001562296).

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

55101010104 is an equidigital number, since it uses as much as digits as its factorization.

55101010104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150006 (or 149981 counting only the distinct ones).

The product of its (nonzero) digits is 100, while the sum is 18.

Adding to 55101010104 its reverse (40101010155), we get a palindrome (95202020259).

The spelling of 55101010104 in words is "fifty-five billion, one hundred one million, ten thousand, one hundred four".