545055536225 has 6 divisors (see below), whose sum is σ = 675868864950. Its totient is φ = 436044428960.

The previous prime is 545055536197. The next prime is 545055536257. The reversal of 545055536225 is 522635550545.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 137327312929 + 407728223296 = 370577^2 + 638536^2 .

It is not a de Polignac number, because 545055536225 - 2²² = 545051341921 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 545055536225.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 10901110700 + ... + 10901110749.

It is an arithmetic number, because the mean of its divisors is an integer number (112644810825).

Almost surely, 2^545055536225 is an apocalyptic number.

It is an amenable number.

545055536225 is a deficient number, since it is larger than the sum of its proper divisors (130813328725).

545055536225 is a wasteful number, since it uses less digits than its factorization.

545055536225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21802221459 (or 21802221454 counting only the distinct ones).

The product of its (nonzero) digits is 4500000, while the sum is 47.

The spelling of 545055536225 in words is "five hundred forty-five billion, fifty-five million, five hundred thirty-six thousand, two hundred twenty-five".