545204325244553 has 4 divisors (see below), whose sum is σ = 587143119494148. Its totient is φ = 503265530994960.

The previous prime is 545204325244511. The next prime is 545204325244561. The reversal of 545204325244553 is 355442523402545.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 351725906483449 + 193478418761104 = 18754357^2 + 13909652^2 .

It is a cyclic number.

It is not a de Polignac number, because 545204325244553 - 2⁴⁴ = 527612139200137 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 545204325244495 and 545204325244504.

It is not an unprimeable number, because it can be changed into a prime (545204325244573) 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, 20969397124778 + ... + 20969397124803.

It is an arithmetic number, because the mean of its divisors is an integer number (146785779873537).

Almost surely, 2^{545204325244553} is an apocalyptic number.

It is an amenable number.

545204325244553 is a deficient number, since it is larger than the sum of its proper divisors (41938794249595).

545204325244553 is a wasteful number, since it uses less digits than its factorization.

545204325244553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41938794249594.

The product of its (nonzero) digits is 57600000, while the sum is 53.

The spelling of 545204325244553 in words is "five hundred forty-five trillion, two hundred four billion, three hundred twenty-five million, two hundred forty-four thousand, five hundred fifty-three".