546560054209 has 81 divisors (see below), whose sum is σ = 642073417713. Its totient is φ = 465011898624.

The previous prime is 546560054171. The next prime is 546560054231. The reversal of 546560054209 is 902450065645.

The square root of 546560054209 is 739297.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 40 ways, for example, as 493232313025 + 53327741184 = 702305^2 + 230928^2 .

It is not a de Polignac number, because 546560054209 - 2¹³ = 546560046017 is a prime.

It is not an unprimeable number, because it can be changed into a prime (546560054009) by changing a digit.

It is a polite number, since it can be written in 80 ways as a sum of consecutive naturals, for example, 10312453827 + ... + 10312453879.

Almost surely, 2^546560054209 is an apocalyptic number.

546560054209 is the 739297-th square number.

546560054209 is the 369649-th centered octagonal number.

It is an amenable number.

546560054209 is a deficient number, since it is larger than the sum of its proper divisors (95513363504).

546560054209 is an equidigital number, since it uses as much as digits as its factorization.

546560054209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 264 (or 132 counting only the distinct ones).

The product of its (nonzero) digits is 1296000, while the sum is 46.

The spelling of 546560054209 in words is "five hundred forty-six billion, five hundred sixty million, fifty-four thousand, two hundred nine".