65726055 has 24 divisors (see below), whose sum is σ = 115212240. Its totient is φ = 34657920.

The previous prime is 65726033. The next prime is 65726057. The reversal of 65726055 is 55062756.

It is not a de Polignac number, because 65726055 - 2⁶ = 65725991 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65726057) 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 in 23 ways as a sum of consecutive naturals, for example, 4201 + ... + 12210.

It is an arithmetic number, because the mean of its divisors is an integer number (4800510).

Almost surely, 2^65726055 is an apocalyptic number.

65726055 is a deficient number, since it is larger than the sum of its proper divisors (49486185).

65726055 is a wasteful number, since it uses less digits than its factorization.

65726055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16511 (or 16508 counting only the distinct ones).

The product of its (nonzero) digits is 63000, while the sum is 36.

The square root of 65726055 is about 8107.1607237059. The cubic root of 65726055 is about 403.5640966339.

The spelling of 65726055 in words is "sixty-five million, seven hundred twenty-six thousand, fifty-five".