65054446445543 has 4 divisors (see below), whose sum is σ = 65430483708408. Its totient is φ = 64678409182680.

The previous prime is 65054446445539. The next prime is 65054446445579. The reversal of 65054446445543 is 34554464445056.

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 65054446445543 - 2² = 65054446445539 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 (65054446445533) 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, 188018631173 + ... + 188018631518.

It is an arithmetic number, because the mean of its divisors is an integer number (16357620927102).

Almost surely, 2^{65054446445543} is an apocalyptic number.

65054446445543 is a deficient number, since it is larger than the sum of its proper divisors (376037262865).

65054446445543 is a wasteful number, since it uses less digits than its factorization.

65054446445543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 376037262864.

The product of its (nonzero) digits is 276480000, while the sum is 59.

The spelling of 65054446445543 in words is "sixty-five trillion, fifty-four billion, four hundred forty-six million, four hundred forty-five thousand, five hundred forty-three".