53316469 has 2 divisors, whose sum is σ = 53316470. Its totient is φ = 53316468.

The previous prime is 53316407. The next prime is 53316481. The reversal of 53316469 is 96461335.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 49533444 + 3783025 = 7038^2 + 1945^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-53316469 is a prime.

It is a super-2 number, since 2×53316469² = 5685291733255922, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53316169) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26658234 + 26658235.

It is an arithmetic number, because the mean of its divisors is an integer number (26658235).

Almost surely, 2^53316469 is an apocalyptic number.

It is an amenable number.

53316469 is a deficient number, since it is larger than the sum of its proper divisors (1).

53316469 is an equidigital number, since it uses as much as digits as its factorization.

53316469 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 58320, while the sum is 37.

The square root of 53316469 is about 7301.8127201401. The cubic root of 53316469 is about 376.3747325067.

The spelling of 53316469 in words is "fifty-three million, three hundred sixteen thousand, four hundred sixty-nine".