55310320112 has 20 divisors (see below), whose sum is σ = 107173299696. Its totient is φ = 27652694400.

The previous prime is 55310320111. The next prime is 55310320133. The reversal of 55310320112 is 21102301355.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55310320111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38237 + ... + 334787.

Almost surely, 2^55310320112 is an apocalyptic number.

It is an amenable number.

55310320112 is a deficient number, since it is larger than the sum of its proper divisors (51862979584).

55310320112 is a wasteful number, since it uses less digits than its factorization.

55310320112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 308216 (or 308210 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 23.

Adding to 55310320112 its reverse (21102301355), we get a palindrome (76412621467).

The spelling of 55310320112 in words is "fifty-five billion, three hundred ten million, three hundred twenty thousand, one hundred twelve".