65928553 has 2 divisors, whose sum is σ = 65928554. Its totient is φ = 65928552.

The previous prime is 65928523. The next prime is 65928559. The reversal of 65928553 is 35582956.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 36638809 + 29289744 = 6053^2 + 5412^2 .

It is a cyclic number.

It is not a de Polignac number, because 65928553 - 2⁵ = 65928521 is a prime.

It is not a weakly prime, because it can be changed into another prime (65928559) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32964276 + 32964277.

It is an arithmetic number, because the mean of its divisors is an integer number (32964277).

Almost surely, 2^65928553 is an apocalyptic number.

It is an amenable number.

65928553 is a deficient number, since it is larger than the sum of its proper divisors (1).

65928553 is an equidigital number, since it uses as much as digits as its factorization.

65928553 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 324000, while the sum is 43.

The square root of 65928553 is about 8119.6399550719. The cubic root of 65928553 is about 403.9781239176.

The spelling of 65928553 in words is "sixty-five million, nine hundred twenty-eight thousand, five hundred fifty-three".