5539455637 has 4 divisors (see below), whose sum is σ = 5547836716. Its totient is φ = 5531074560.

The previous prime is 5539455601. The next prime is 5539455641. The reversal of 5539455637 is 7365549355.

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 4581800721 + 957654916 = 67689^2 + 30946^2 .

It is a cyclic number.

It is not a de Polignac number, because 5539455637 - 2²⁷ = 5405237909 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5539455667) 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, 4189548 + ... + 4190869.

It is an arithmetic number, because the mean of its divisors is an integer number (1386959179).

Almost surely, 2^5539455637 is an apocalyptic number.

It is an amenable number.

5539455637 is a deficient number, since it is larger than the sum of its proper divisors (8381079).

5539455637 is an equidigital number, since it uses as much as digits as its factorization.

5539455637 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8381078.

The product of its digits is 8505000, while the sum is 52.

The square root of 5539455637 is about 74427.5193527233. The cubic root of 5539455637 is about 1769.3850883031.

The spelling of 5539455637 in words is "five billion, five hundred thirty-nine million, four hundred fifty-five thousand, six hundred thirty-seven".