545335601035523 has 4 divisors (see below), whose sum is σ = 545420531053008. Its totient is φ = 545250671018040.

The previous prime is 545335601035469. The next prime is 545335601035669. The reversal of 545335601035523 is 325530106533545.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-545335601035523 is a prime.

It is a super-2 number, since 2×545335601035523² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (545335601035723) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42464999111 + ... + 42465011952.

It is an arithmetic number, because the mean of its divisors is an integer number (136355132763252).

Almost surely, 2^{545335601035523} is an apocalyptic number.

545335601035523 is a deficient number, since it is larger than the sum of its proper divisors (84930017485).

545335601035523 is an equidigital number, since it uses as much as digits as its factorization.

545335601035523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84930017484.

The product of its (nonzero) digits is 12150000, while the sum is 50.

The spelling of 545335601035523 in words is "five hundred forty-five trillion, three hundred thirty-five billion, six hundred one million, thirty-five thousand, five hundred twenty-three".