65552471 has 2 divisors, whose sum is σ = 65552472. Its totient is φ = 65552470.

The previous prime is 65552449. The next prime is 65552479. The reversal of 65552471 is 17425556.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 65552471 - 2⁶ = 65552407 is a prime.

It is a super-3 number, since 3×65552471³ (a number of 24 digits) contains 333 as substring.

It is a Sophie Germain prime.

It is equal to p_3871268 and since 65552471 and 3871268 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (65552479) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32776235 + 32776236.

It is an arithmetic number, because the mean of its divisors is an integer number (32776236).

Almost surely, 2^65552471 is an apocalyptic number.

65552471 is a deficient number, since it is larger than the sum of its proper divisors (1).

65552471 is an equidigital number, since it uses as much as digits as its factorization.

65552471 is an evil number, because the sum of its binary digits is even.

The product of its digits is 42000, while the sum is 35.

The square root of 65552471 is about 8096.4480483728. The cubic root of 65552471 is about 403.2085094386.

The spelling of 65552471 in words is "sixty-five million, five hundred fifty-two thousand, four hundred seventy-one".