55605346612 has 12 divisors (see below), whose sum is σ = 98312546500. Its totient is φ = 27516047616.

The previous prime is 55605346609. The next prime is 55605346619. The reversal of 55605346612 is 21664350655.

It can be written as a sum of positive squares in 2 ways, for example, as 27914389776 + 27690956836 = 167076^2 + 166406^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55605346619) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 71655987 + ... + 71656762.

Almost surely, 2^55605346612 is an apocalyptic number.

It is an amenable number.

55605346612 is a deficient number, since it is larger than the sum of its proper divisors (42707199888).

55605346612 is a wasteful number, since it uses less digits than its factorization.

55605346612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143312850 (or 143312848 counting only the distinct ones).

The product of its (nonzero) digits is 648000, while the sum is 43.

The spelling of 55605346612 in words is "fifty-five billion, six hundred five million, three hundred forty-six thousand, six hundred twelve".