55123210134 has 48 divisors (see below), whose sum is σ = 125782441200. Its totient is φ = 17398628928.

The previous prime is 55123210097. The next prime is 55123210169. The reversal of 55123210134 is 43101232155.

55123210134 is a `hidden beast` number, since 5 + 512 + 3 + 2 + 10 + 134 = 666.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 55123210098 and 55123210107.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 662872 + ... + 741380.

It is an arithmetic number, because the mean of its divisors is an integer number (2620467525).

Almost surely, 2^55123210134 is an apocalyptic number.

55123210134 is an abundant number, since it is smaller than the sum of its proper divisors (70659231066).

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

55123210134 is a wasteful number, since it uses less digits than its factorization.

55123210134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80589 (or 80586 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

Adding to 55123210134 its reverse (43101232155), we get a palindrome (98224442289).

The spelling of 55123210134 in words is "fifty-five billion, one hundred twenty-three million, two hundred ten thousand, one hundred thirty-four".