55727144833 has 2 divisors, whose sum is σ = 55727144834. Its totient is φ = 55727144832.

The previous prime is 55727144827. The next prime is 55727144873. The reversal of 55727144833 is 33844172755.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 50891750464 + 4835394369 = 225592^2 + 69537^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55727144833 is a prime.

It is not a weakly prime, because it can be changed into another prime (55727144873) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27863572416 + 27863572417.

It is an arithmetic number, because the mean of its divisors is an integer number (27863572417).

Almost surely, 2^55727144833 is an apocalyptic number.

It is an amenable number.

55727144833 is a deficient number, since it is larger than the sum of its proper divisors (1).

55727144833 is an equidigital number, since it uses as much as digits as its factorization.

55727144833 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2822400, while the sum is 49.

The spelling of 55727144833 in words is "fifty-five billion, seven hundred twenty-seven million, one hundred forty-four thousand, eight hundred thirty-three".