545250033551 has 4 divisors (see below), whose sum is σ = 545269258872. Its totient is φ = 545230808232.

The previous prime is 545250033533. The next prime is 545250033571. The reversal of 545250033551 is 155330052545.

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 545250033551 - 2²² = 545245839247 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 (545250033571) 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, 9570056 + ... + 9626861.

It is an arithmetic number, because the mean of its divisors is an integer number (136317314718).

Almost surely, 2^545250033551 is an apocalyptic number.

545250033551 is a deficient number, since it is larger than the sum of its proper divisors (19225321).

545250033551 is a wasteful number, since it uses less digits than its factorization.

545250033551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19225320.

The product of its (nonzero) digits is 225000, while the sum is 38.

The spelling of 545250033551 in words is "five hundred forty-five billion, two hundred fifty million, thirty-three thousand, five hundred fifty-one".