55515043112 has 16 divisors (see below), whose sum is σ = 104093421300. Its totient is φ = 27756797440.

The previous prime is 55515043109. The next prime is 55515043117. The reversal of 55515043112 is 21134051555.

55515043112 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 54375710596 + 1139332516 = 233186^2 + 33754^2 .

It is not an unprimeable number, because it can be changed into a prime (55515043117) 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, 377912 + ... + 503832.

Almost surely, 2^55515043112 is an apocalyptic number.

It is an amenable number.

55515043112 is a deficient number, since it is larger than the sum of its proper divisors (48578378188).

55515043112 is a wasteful number, since it uses less digits than its factorization.

55515043112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 181036 (or 181032 counting only the distinct ones).

The product of its (nonzero) digits is 15000, while the sum is 32.

Adding to 55515043112 its reverse (21134051555), we get a palindrome (76649094667).

The spelling of 55515043112 in words is "fifty-five billion, five hundred fifteen million, forty-three thousand, one hundred twelve".