53427644033 has 2 divisors, whose sum is σ = 53427644034. Its totient is φ = 53427644032.

The previous prime is 53427644021. The next prime is 53427644077. The reversal of 53427644033 is 33044672435.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 51916533904 + 1511110129 = 227852^2 + 38873^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-53427644033 is a prime.

It is not a weakly prime, because it can be changed into another prime (53427644533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26713822016 + 26713822017.

It is an arithmetic number, because the mean of its divisors is an integer number (26713822017).

Almost surely, 2^53427644033 is an apocalyptic number.

It is an amenable number.

53427644033 is a deficient number, since it is larger than the sum of its proper divisors (1).

53427644033 is an equidigital number, since it uses as much as digits as its factorization.

53427644033 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 725760, while the sum is 41.

The spelling of 53427644033 in words is "fifty-three billion, four hundred twenty-seven million, six hundred forty-four thousand, thirty-three".