543555555345 has 128 divisors (see below), whose sum is σ = 1084243968000. Its totient is φ = 256044084480.

The previous prime is 543555555341. The next prime is 543555555371.

543555555345 is a `hidden beast` number, since 5 + 4 + 3 + 5 + 55 + 55 + 534 + 5 = 666.

543555555345 is nontrivially palindromic in base 10.

543555555345 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 543555555345 - 2² = 543555555341 is a prime.

It is a super-2 number, since 2×543555555345² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 543555555291 and 543555555300.

It is not an unprimeable number, because it can be changed into a prime (543555555341) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 39498576 + ... + 39512334.

It is an arithmetic number, because the mean of its divisors is an integer number (8470656000).

Almost surely, 2^543555555345 is an apocalyptic number.

543555555345 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

543555555345 is a deficient number, since it is larger than the sum of its proper divisors (540688412655).

543555555345 is a wasteful number, since it uses less digits than its factorization.

543555555345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14540 (or 14534 counting only the distinct ones).

The product of its digits is 56250000, while the sum is 54.

The spelling of 543555555345 in words is "five hundred forty-three billion, five hundred fifty-five million, five hundred fifty-five thousand, three hundred forty-five".