55105102412 has 24 divisors (see below), whose sum is σ = 101524684800. Its totient is φ = 26098486416.

The previous prime is 55105102397. The next prime is 55105102417. The reversal of 55105102412 is 21420150155.

It is not an unprimeable number, because it can be changed into a prime (55105102417) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 488789 + ... + 590867.

It is an arithmetic number, because the mean of its divisors is an integer number (4230195200).

Almost surely, 2^55105102412 is an apocalyptic number.

It is an amenable number.

55105102412 is a deficient number, since it is larger than the sum of its proper divisors (46419582388).

55105102412 is a wasteful number, since it uses less digits than its factorization.

55105102412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109205 (or 109203 counting only the distinct ones).

The product of its (nonzero) digits is 2000, while the sum is 26.

Adding to 55105102412 its reverse (21420150155), we get a palindrome (76525252567).

The spelling of 55105102412 in words is "fifty-five billion, one hundred five million, one hundred two thousand, four hundred twelve".