5539905801 has 12 divisors (see below), whose sum is σ = 8035292980. Its totient is φ = 3677944320.

The previous prime is 5539905793. The next prime is 5539905803. The reversal of 5539905801 is 1085099355.

5539905801 is a `hidden beast` number, since 553 + 9 + 90 + 5 + 8 + 0 + 1 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 3462734025 + 2077171776 = 58845^2 + 45576^2 .

It is not a de Polignac number, because 5539905801 - 2³ = 5539905793 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5539905803) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1274896 + ... + 1279233.

Almost surely, 2^5539905801 is an apocalyptic number.

It is an amenable number.

5539905801 is a deficient number, since it is larger than the sum of its proper divisors (2495387179).

5539905801 is a wasteful number, since it uses less digits than its factorization.

5539905801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2554376 (or 2554373 counting only the distinct ones).

The product of its (nonzero) digits is 243000, while the sum is 45.

The square root of 5539905801 is about 74430.5434683907. The cubic root of 5539905801 is about 1769.4330167126.

The spelling of 5539905801 in words is "five billion, five hundred thirty-nine million, nine hundred five thousand, eight hundred one".