5555505555543 has 4 divisors (see below), whose sum is σ = 7407340740728. Its totient is φ = 3703670370360.

The previous prime is 5555505555533. The next prime is 5555505555559. The reversal of 5555505555543 is 3455555055555.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 5555505555543 - 2⁸ = 5555505555287 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5555505555533) 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, 925917592588 + ... + 925917592593.

It is an arithmetic number, because the mean of its divisors is an integer number (1851835185182).

Almost surely, 2^{5555505555543} is an apocalyptic number.

5555505555543 is a deficient number, since it is larger than the sum of its proper divisors (1851835185185).

5555505555543 is a wasteful number, since it uses less digits than its factorization.

5555505555543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1851835185184.

The product of its (nonzero) digits is 117187500, while the sum is 57.

The spelling of 5555505555543 in words is "five trillion, five hundred fifty-five billion, five hundred five million, five hundred fifty-five thousand, five hundred forty-three".