553242044393 has 2 divisors, whose sum is σ = 553242044394. Its totient is φ = 553242044392.

The previous prime is 553242044353. The next prime is 553242044437. The reversal of 553242044393 is 393440242355.

It is an a-pointer prime, because the next prime (553242044437) can be obtained adding 553242044393 to its sum of digits (44).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 513763533529 + 39478510864 = 716773^2 + 198692^2 .

It is a cyclic number.

It is not a de Polignac number, because 553242044393 - 2¹² = 553242040297 is a prime.

It is not a weakly prime, because it can be changed into another prime (553242044323) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 276621022196 + 276621022197.

It is an arithmetic number, because the mean of its divisors is an integer number (276621022197).

Almost surely, 2^553242044393 is an apocalyptic number.

It is an amenable number.

553242044393 is a deficient number, since it is larger than the sum of its proper divisors (1).

553242044393 is an equidigital number, since it uses as much as digits as its factorization.

553242044393 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1555200, while the sum is 44.

The spelling of 553242044393 in words is "five hundred fifty-three billion, two hundred forty-two million, forty-four thousand, three hundred ninety-three".