555120321533 has 2 divisors, whose sum is σ = 555120321534. Its totient is φ = 555120321532.

The previous prime is 555120321491. The next prime is 555120321541. The reversal of 555120321533 is 335123021555.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 554171558329 + 948763204 = 744427^2 + 30802^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-555120321533 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 555120321493 and 555120321502.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (555120321593) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 277560160766 + 277560160767.

It is an arithmetic number, because the mean of its divisors is an integer number (277560160767).

Almost surely, 2^555120321533 is an apocalyptic number.

It is an amenable number.

555120321533 is a deficient number, since it is larger than the sum of its proper divisors (1).

555120321533 is an equidigital number, since it uses as much as digits as its factorization.

555120321533 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 67500, while the sum is 35.

The spelling of 555120321533 in words is "five hundred fifty-five billion, one hundred twenty million, three hundred twenty-one thousand, five hundred thirty-three".