55111324534410 has 128 divisors (see below), whose sum is σ = 135146702396160. Its totient is φ = 14378002329600.

The previous prime is 55111324534319. The next prime is 55111324534411. The reversal of 55111324534410 is 1443542311155.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (55111324534411) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 5339722050 + ... + 5339732370.

It is an arithmetic number, because the mean of its divisors is an integer number (1055833612470).

Almost surely, 2^{55111324534410} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55111324534410, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (67573351198080).

55111324534410 is an abundant number, since it is smaller than the sum of its proper divisors (80035377861750).

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

55111324534410 is a wasteful number, since it uses less digits than its factorization.

55111324534410 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19624.

The product of its (nonzero) digits is 144000, while the sum is 39.

Adding to 55111324534410 its reverse (1443542311155), we get a palindrome (56554866845565).

The spelling of 55111324534410 in words is "fifty-five trillion, one hundred eleven billion, three hundred twenty-four million, five hundred thirty-four thousand, four hundred ten".