65552423 has 2 divisors, whose sum is σ = 65552424. Its totient is φ = 65552422.

The previous prime is 65552407. The next prime is 65552437. The reversal of 65552423 is 32425556.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 65552423 - 2⁴ = 65552407 is a prime.

It is a super-2 number, since 2×65552423² = 8594240322341858, which contains 22 as substring.

It is equal to p_3871265 and since 65552423 and 3871265 have the same sum of digits, it is a Honaker prime.

It is a self number, because there is not a number n which added to its sum of digits gives 65552423.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (65552483) 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, 32776211 + 32776212.

It is an arithmetic number, because the mean of its divisors is an integer number (32776212).

Almost surely, 2^65552423 is an apocalyptic number.

65552423 is a deficient number, since it is larger than the sum of its proper divisors (1).

65552423 is an equidigital number, since it uses as much as digits as its factorization.

65552423 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 36000, while the sum is 32.

The square root of 65552423 is about 8096.4450841094. The cubic root of 65552423 is about 403.2084110237.

Adding to 65552423 its reverse (32425556), we get a palindrome (97977979).

The spelling of 65552423 in words is "sixty-five million, five hundred fifty-two thousand, four hundred twenty-three".