545533447229 has 4 divisors (see below), whose sum is σ = 551157503484. Its totient is φ = 539909390976.

The previous prime is 545533447189. The next prime is 545533447267. The reversal of 545533447229 is 922744335545.

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 283558380004 + 261975067225 = 532502^2 + 511835^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-545533447229 is a prime.

It is a super-2 number, since 2×545533447229² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (545533447289) 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, 2812027982 + ... + 2812028175.

It is an arithmetic number, because the mean of its divisors is an integer number (137789375871).

Almost surely, 2^545533447229 is an apocalyptic number.

It is an amenable number.

545533447229 is a deficient number, since it is larger than the sum of its proper divisors (5624056255).

545533447229 is an equidigital number, since it uses as much as digits as its factorization.

545533447229 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5624056254.

The product of its digits is 18144000, while the sum is 53.

The spelling of 545533447229 in words is "five hundred forty-five billion, five hundred thirty-three million, four hundred forty-seven thousand, two hundred twenty-nine".