55228790168 has 16 divisors (see below), whose sum is σ = 103586100000. Its totient is φ = 27605830176.

The previous prime is 55228790161. The next prime is 55228790179. The reversal of 55228790168 is 86109782255.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55228790161) 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, 1043168 + ... + 1094831.

It is an arithmetic number, because the mean of its divisors is an integer number (6474131250).

Almost surely, 2^55228790168 is an apocalyptic number.

It is an amenable number.

55228790168 is a deficient number, since it is larger than the sum of its proper divisors (48357309832).

55228790168 is a wasteful number, since it uses less digits than its factorization.

55228790168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2141234 (or 2141230 counting only the distinct ones).

The product of its (nonzero) digits is 2419200, while the sum is 53.

The spelling of 55228790168 in words is "fifty-five billion, two hundred twenty-eight million, seven hundred ninety thousand, one hundred sixty-eight".