53471669 has 2 divisors, whose sum is σ = 53471670. Its totient is φ = 53471668.

The previous prime is 53471657. The next prime is 53471687. The reversal of 53471669 is 96617435.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 34374769 + 19096900 = 5863^2 + 4370^2 .

It is a cyclic number.

It is not a de Polignac number, because 53471669 - 2⁸ = 53471413 is a prime.

It is a super-3 number, since 3×53471669³ (a number of 24 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53471629) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26735834 + 26735835.

It is an arithmetic number, because the mean of its divisors is an integer number (26735835).

Almost surely, 2^53471669 is an apocalyptic number.

It is an amenable number.

53471669 is a deficient number, since it is larger than the sum of its proper divisors (1).

53471669 is an equidigital number, since it uses as much as digits as its factorization.

53471669 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 136080, while the sum is 41.

The square root of 53471669 is about 7312.4324954149. The cubic root of 53471669 is about 376.7395776923.

The spelling of 53471669 in words is "fifty-three million, four hundred seventy-one thousand, six hundred sixty-nine".