55100171312 has 20 divisors (see below), whose sum is σ = 106797833400. Its totient is φ = 27539440128.

The previous prime is 55100171267. The next prime is 55100171327. The reversal of 55100171312 is 21317100155.

It is a super-2 number, since 2×55100171312² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 622562 + ... + 705537.

It is an arithmetic number, because the mean of its divisors is an integer number (5339891670).

Almost surely, 2^55100171312 is an apocalyptic number.

It is an amenable number.

55100171312 is a deficient number, since it is larger than the sum of its proper divisors (51697662088).

55100171312 is a wasteful number, since it uses less digits than its factorization.

55100171312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1330700 (or 1330694 counting only the distinct ones).

The product of its (nonzero) digits is 1050, while the sum is 26.

Adding to 55100171312 its reverse (21317100155), we get a palindrome (76417271467).

The spelling of 55100171312 in words is "fifty-five billion, one hundred million, one hundred seventy-one thousand, three hundred twelve".