55545113112 has 32 divisors (see below), whose sum is σ = 143651156400. Its totient is φ = 17876587904.

The previous prime is 55545113111. The next prime is 55545113119. The reversal of 55545113112 is 21131154555.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55545113111) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39902403 + ... + 39903794.

Almost surely, 2^55545113112 is an apocalyptic number.

It is an amenable number.

55545113112 is an abundant number, since it is smaller than the sum of its proper divisors (88106043288).

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

55545113112 is a wasteful number, since it uses less digits than its factorization.

55545113112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79806235 (or 79806231 counting only the distinct ones).

The product of its digits is 15000, while the sum is 33.

Adding to 55545113112 its reverse (21131154555), we get a palindrome (76676267667).

The spelling of 55545113112 in words is "fifty-five billion, five hundred forty-five million, one hundred thirteen thousand, one hundred twelve".