56056056051553 has 2 divisors, whose sum is σ = 56056056051554. Its totient is φ = 56056056051552.

The previous prime is 56056056051509. The next prime is 56056056051557. The reversal of 56056056051553 is 35515065065065.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 54672004978704 + 1384051072849 = 7394052^2 + 1176457^2 .

It is a cyclic number.

It is not a de Polignac number, because 56056056051553 - 2⁹ = 56056056051041 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 56056056051553.

It is not a weakly prime, because it can be changed into another prime (56056056051557) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28028028025776 + 28028028025777.

It is an arithmetic number, because the mean of its divisors is an integer number (28028028025777).

Almost surely, 2^{56056056051553} is an apocalyptic number.

It is an amenable number.

56056056051553 is a deficient number, since it is larger than the sum of its proper divisors (1).

56056056051553 is an equidigital number, since it uses as much as digits as its factorization.

56056056051553 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10125000, while the sum is 52.

The spelling of 56056056051553 in words is "fifty-six trillion, fifty-six billion, fifty-six million, fifty-one thousand, five hundred fifty-three".