545653356544 has 24 divisors (see below), whose sum is σ = 1091040284880. Its totient is φ = 272826677248.

The previous prime is 545653356541. The next prime is 545653356557. The reversal of 545653356544 is 445653356545.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (545653356541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 133214104 + ... + 133218199.

It is an arithmetic number, because the mean of its divisors is an integer number (45460011870).

Almost surely, 2^545653356544 is an apocalyptic number.

It is an amenable number.

545653356544 is a deficient number, since it is larger than the sum of its proper divisors (545386928336).

545653356544 is an equidigital number, since it uses as much as digits as its factorization.

545653356544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 266432325 (or 266432305 counting only the distinct ones).

The product of its digits is 64800000, while the sum is 55.

Subtracting from 545653356544 its reverse (445653356545), we obtain a palindrome (99999999999).

The spelling of 545653356544 in words is "five hundred forty-five billion, six hundred fifty-three million, three hundred fifty-six thousand, five hundred forty-four".