55100010012 has 24 divisors (see below), whose sum is σ = 128766656256. Its totient is φ = 18338103408.

The previous prime is 55100009981. The next prime is 55100010023. The reversal of 55100010012 is 21001000155.

It is a super-2 number, since 2×55100010012² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 55100009973 and 55100010000.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3562788 + ... + 3578219.

It is an arithmetic number, because the mean of its divisors is an integer number (5365277344).

Almost surely, 2^55100010012 is an apocalyptic number.

It is an amenable number.

55100010012 is an abundant number, since it is smaller than the sum of its proper divisors (73666646244).

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

55100010012 is a wasteful number, since it uses less digits than its factorization.

55100010012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7141657 (or 7141655 counting only the distinct ones).

The product of its (nonzero) digits is 50, while the sum is 15.

Adding to 55100010012 its reverse (21001000155), we get a palindrome (76101010167).

The spelling of 55100010012 in words is "fifty-five billion, one hundred million, ten thousand, twelve".