55055660112 has 60 divisors (see below), whose sum is σ = 154270165140. Its totient is φ = 18329163264.

The previous prime is 55055660111. The next prime is 55055660113. The reversal of 55055660112 is 21106655055.

It is an interprime number because it is at equal distance from previous prime (55055660111) and next prime (55055660113).

It can be written as a sum of positive squares in 2 ways, for example, as 49807526976 + 5248133136 = 223176^2 + 72444^2 .

It is a super-2 number, since 2×55055660112² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55055660111) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 119803 + ... + 352794.

It is an arithmetic number, because the mean of its divisors is an integer number (2571169419).

Almost surely, 2^55055660112 is an apocalyptic number.

It is an amenable number.

55055660112 is an abundant number, since it is smaller than the sum of its proper divisors (99214505028).

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

55055660112 is a wasteful number, since it uses less digits than its factorization.

55055660112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 473420 (or 473411 counting only the distinct ones).

The product of its (nonzero) digits is 45000, while the sum is 36.

The spelling of 55055660112 in words is "fifty-five billion, fifty-five million, six hundred sixty thousand, one hundred twelve".