55055040312 has 16 divisors (see below), whose sum is σ = 137637600840. Its totient is φ = 18351680096.

The previous prime is 55055040289. The next prime is 55055040349. The reversal of 55055040312 is 21304055055.

It is a happy number.

55055040312 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 55055040312.

It is a congruent number.

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, 1146979983 + ... + 1146980030.

Almost surely, 2^55055040312 is an apocalyptic number.

It is an amenable number.

55055040312 is an abundant number, since it is smaller than the sum of its proper divisors (82582560528).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55055040312 is a wasteful number, since it uses less digits than its factorization.

55055040312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2293960022 (or 2293960018 counting only the distinct ones).

The product of its (nonzero) digits is 15000, while the sum is 30.

Adding to 55055040312 its reverse (21304055055), we get a palindrome (76359095367).

The spelling of 55055040312 in words is "fifty-five billion, fifty-five million, forty thousand, three hundred twelve".