55433555443 has 32 divisors (see below), whose sum is σ = 67410002304. Its totient is φ = 44499566592.

The previous prime is 55433555407. The next prime is 55433555453. The reversal of 55433555443 is 34455533455.

It is a cyclic number.

It is not a de Polignac number, because 55433555443 - 2⁹ = 55433554931 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 55433555393 and 55433555402.

It is not an unprimeable number, because it can be changed into a prime (55433555453) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 32664771 + ... + 32666467.

It is an arithmetic number, because the mean of its divisors is an integer number (2106562572).

Almost surely, 2^55433555443 is an apocalyptic number.

55433555443 is a deficient number, since it is larger than the sum of its proper divisors (11976446861).

55433555443 is a wasteful number, since it uses less digits than its factorization.

55433555443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2911.

The product of its digits is 5400000, while the sum is 46.

The spelling of 55433555443 in words is "fifty-five billion, four hundred thirty-three million, five hundred fifty-five thousand, four hundred forty-three".