5548638061 has 4 divisors (see below), whose sum is σ = 5555816892. Its totient is φ = 5541459232.

The previous prime is 5548638023. The next prime is 5548638089. The reversal of 5548638061 is 1608368455.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1608368455 = 5 ⋅321673691.

It can be written as a sum of positive squares in 2 ways, for example, as 2355257961 + 3193380100 = 48531^2 + 56510^2 .

It is a cyclic number.

It is not a de Polignac number, because 5548638061 - 2²⁹ = 5011767149 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 (5548638091) 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, 3588256 + ... + 3589801.

It is an arithmetic number, because the mean of its divisors is an integer number (1388954223).

Almost surely, 2^5548638061 is an apocalyptic number.

It is an amenable number.

5548638061 is a deficient number, since it is larger than the sum of its proper divisors (7178831).

5548638061 is an equidigital number, since it uses as much as digits as its factorization.

5548638061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7178830.

The product of its (nonzero) digits is 691200, while the sum is 46.

The square root of 5548638061 is about 74489.1808318497. The cubic root of 5548638061 is about 1770.3622165061.

The spelling of 5548638061 in words is "five billion, five hundred forty-eight million, six hundred thirty-eight thousand, sixty-one".