53480369 has 2 divisors, whose sum is σ = 53480370. Its totient is φ = 53480368.

The previous prime is 53480333. The next prime is 53480387. The reversal of 53480369 is 96308435.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 53479969 + 400 = 7313^2 + 20^2 .

It is a cyclic number.

It is not a de Polignac number, because 53480369 - 2²⁰ = 52431793 is a prime.

It is a super-2 number, since 2×53480369² = 5720299736752322, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (53480309) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26740184 + 26740185.

It is an arithmetic number, because the mean of its divisors is an integer number (26740185).

Almost surely, 2^53480369 is an apocalyptic number.

It is an amenable number.

53480369 is a deficient number, since it is larger than the sum of its proper divisors (1).

53480369 is an equidigital number, since it uses as much as digits as its factorization.

53480369 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 77760, while the sum is 38.

The square root of 53480369 is about 7313.0273485062. The cubic root of 53480369 is about 376.7600088019.

The spelling of 53480369 in words is "fifty-three million, four hundred eighty thousand, three hundred sixty-nine".