65755477 has 2 divisors, whose sum is σ = 65755478. Its totient is φ = 65755476.

The previous prime is 65755429. The next prime is 65755483. The reversal of 65755477 is 77455756.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 55264356 + 10491121 = 7434^2 + 3239^2 .

It is a cyclic number.

It is not a de Polignac number, because 65755477 - 2¹⁹ = 65231189 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (65755177) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32877738 + 32877739.

It is an arithmetic number, because the mean of its divisors is an integer number (32877739).

Almost surely, 2^65755477 is an apocalyptic number.

It is an amenable number.

65755477 is a deficient number, since it is larger than the sum of its proper divisors (1).

65755477 is an equidigital number, since it uses as much as digits as its factorization.

65755477 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1029000, while the sum is 46.

The square root of 65755477 is about 8108.9750893686. The cubic root of 65755477 is about 403.6243055904.

The spelling of 65755477 in words is "sixty-five million, seven hundred fifty-five thousand, four hundred seventy-seven".