4542555443 has 4 divisors (see below), whose sum is σ = 4575712920. Its totient is φ = 4509397968.

The previous prime is 4542555439. The next prime is 4542555481. The reversal of 4542555443 is 3445552454.

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

It is a cyclic number.

It is not a de Polignac number, because 4542555443 - 2² = 4542555439 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4542555443.

It is not an unprimeable number, because it can be changed into a prime (4542555403) 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, 16578533 + ... + 16578806.

It is an arithmetic number, because the mean of its divisors is an integer number (1143928230).

Almost surely, 2^4542555443 is an apocalyptic number.

4542555443 is a deficient number, since it is larger than the sum of its proper divisors (33157477).

4542555443 is a wasteful number, since it uses less digits than its factorization.

4542555443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33157476.

The product of its digits is 960000, while the sum is 41.

The square root of 4542555443 is about 67398.4824977536. The cubic root of 4542555443 is about 1656.1515633477.

The spelling of 4542555443 in words is "four billion, five hundred forty-two million, five hundred fifty-five thousand, four hundred forty-three".