5539437667201 has 3 divisors (see below), whose sum is σ = 5539440020803. Its totient is φ = 5539435313600.

The previous prime is 5539437667133. The next prime is 5539437667219. The reversal of 5539437667201 is 1027667349355.

The square root of 5539437667201 is 2353601.

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

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in only one way, i.e., 1327912827201 + 4211524840000 = 1152351^2 + 2052200^2 .

It is not a de Polignac number, because 5539437667201 - 2²⁵ = 5539404112769 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5539437667501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 1176801 + ... + 3530401.

Almost surely, 2^{5539437667201} is an apocalyptic number.

5539437667201 is the 2353601-st square number.

5539437667201 is the 1176801-st centered octagonal number.

It is an amenable number.

5539437667201 is a deficient number, since it is larger than the sum of its proper divisors (2353602).

5539437667201 is an frugal number, since it uses more digits than its factorization.

5539437667201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4707202 (or 2353601 counting only the distinct ones).

The product of its (nonzero) digits is 28576800, while the sum is 58.

The spelling of 5539437667201 in words is "five trillion, five hundred thirty-nine billion, four hundred thirty-seven million, six hundred sixty-seven thousand, two hundred one".