545250033523 has 4 divisors (see below), whose sum is σ = 587192343808. Its totient is φ = 503307723240.

The previous prime is 545250033499. The next prime is 545250033533. The reversal of 545250033523 is 325330052545.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 325330052545 = 5 ⋅65066010509.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-545250033523 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (545250033533) 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, 20971155123 + ... + 20971155148.

It is an arithmetic number, because the mean of its divisors is an integer number (146798085952).

Almost surely, 2^545250033523 is an apocalyptic number.

545250033523 is a deficient number, since it is larger than the sum of its proper divisors (41942310285).

545250033523 is a wasteful number, since it uses less digits than its factorization.

545250033523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41942310284.

The product of its (nonzero) digits is 270000, while the sum is 37.

The spelling of 545250033523 in words is "five hundred forty-five billion, two hundred fifty million, thirty-three thousand, five hundred twenty-three".