553501223609 has 2 divisors, whose sum is σ = 553501223610. Its totient is φ = 553501223608.

The previous prime is 553501223533. The next prime is 553501223623. The reversal of 553501223609 is 906322105355.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 354810835600 + 198690388009 = 595660^2 + 445747^2 .

It is a cyclic number.

It is not a de Polignac number, because 553501223609 - 2¹⁶ = 553501158073 is a prime.

It is not a weakly prime, because it can be changed into another prime (553501223689) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 276750611804 + 276750611805.

It is an arithmetic number, because the mean of its divisors is an integer number (276750611805).

Almost surely, 2^553501223609 is an apocalyptic number.

It is an amenable number.

553501223609 is a deficient number, since it is larger than the sum of its proper divisors (1).

553501223609 is an equidigital number, since it uses as much as digits as its factorization.

553501223609 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 243000, while the sum is 41.

The spelling of 553501223609 in words is "five hundred fifty-three billion, five hundred one million, two hundred twenty-three thousand, six hundred nine".