55479727686313 has 12 divisors (see below), whose sum is σ = 65202978935892. Its totient is φ = 47063804336640.

The previous prime is 55479727686311. The next prime is 55479727686353. The reversal of 55479727686313 is 31368672797455.

It can be written as a sum of positive squares in 2 ways, for example, as 16838983082089 + 38640744604224 = 4103533^2 + 6216168^2 .

It is not a de Polignac number, because 55479727686313 - 2¹ = 55479727686311 is a prime.

It is the 7448472-nd Hogben number.

It is not an unprimeable number, because it can be changed into a prime (55479727686311) by changing a digit.

It is a nontrivial repunit in base 7448471.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5836280508 + ... + 5836290013.

It is an arithmetic number, because the mean of its divisors is an integer number (5433581577991).

Almost surely, 2^{55479727686313} is an apocalyptic number.

It is an amenable number.

55479727686313 is a deficient number, since it is larger than the sum of its proper divisors (9723251249579).

55479727686313 is a wasteful number, since it uses less digits than its factorization.

55479727686313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11672570632 (or 11672570625 counting only the distinct ones).

The product of its digits is 1600300800, while the sum is 73.

The spelling of 55479727686313 in words is "fifty-five trillion, four hundred seventy-nine billion, seven hundred twenty-seven million, six hundred eighty-six thousand, three hundred thirteen".