55753277729 has 2 divisors, whose sum is σ = 55753277730. Its totient is φ = 55753277728.

The previous prime is 55753277689. The next prime is 55753277737. The reversal of 55753277729 is 92777235755.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 52841596129 + 2911681600 = 229873^2 + 53960^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55753277729 is a prime.

It is not a weakly prime, because it can be changed into another prime (55753277759) by changing a digit.

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 as a sum of consecutive naturals, namely, 27876638864 + 27876638865.

It is an arithmetic number, because the mean of its divisors is an integer number (27876638865).

Almost surely, 2^55753277729 is an apocalyptic number.

It is an amenable number.

55753277729 is a deficient number, since it is larger than the sum of its proper divisors (1).

55753277729 is an equidigital number, since it uses as much as digits as its factorization.

55753277729 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 32413500, while the sum is 59.

The spelling of 55753277729 in words is "fifty-five billion, seven hundred fifty-three million, two hundred seventy-seven thousand, seven hundred twenty-nine".