53322018509 has 2 divisors, whose sum is σ = 53322018510. Its totient is φ = 53322018508.

The previous prime is 53322018493. The next prime is 53322018523. The reversal of 53322018509 is 90581022335.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 28483312900 + 24838705609 = 168770^2 + 157603^2 .

It is a cyclic number.

It is not a de Polignac number, because 53322018509 - 2⁴ = 53322018493 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53322018109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26661009254 + 26661009255.

It is an arithmetic number, because the mean of its divisors is an integer number (26661009255).

Almost surely, 2^53322018509 is an apocalyptic number.

It is an amenable number.

53322018509 is a deficient number, since it is larger than the sum of its proper divisors (1).

53322018509 is an equidigital number, since it uses as much as digits as its factorization.

53322018509 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 64800, while the sum is 38.

The spelling of 53322018509 in words is "fifty-three billion, three hundred twenty-two million, eighteen thousand, five hundred nine".