56055061305 has 12 divisors (see below), whose sum is σ = 97162106340. Its totient is φ = 29896032672.

The previous prime is 56055061289. The next prime is 56055061319. The reversal of 56055061305 is 50316055065.

56055061305 is a `hidden beast` number, since 560 + 5 + 5 + 0 + 61 + 30 + 5 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 43813187856 + 12241873449 = 209316^2 + 110643^2 .

It is not a de Polignac number, because 56055061305 - 2⁴ = 56055061289 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 56055061305.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 622833970 + ... + 622834059.

It is an arithmetic number, because the mean of its divisors is an integer number (8096842195).

Almost surely, 2^56055061305 is an apocalyptic number.

It is an amenable number.

56055061305 is a deficient number, since it is larger than the sum of its proper divisors (41107045035).

56055061305 is a wasteful number, since it uses less digits than its factorization.

56055061305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1245668040 (or 1245668037 counting only the distinct ones).

The product of its (nonzero) digits is 67500, while the sum is 36.

The spelling of 56055061305 in words is "fifty-six billion, fifty-five million, sixty-one thousand, three hundred five".