64755005505 has 16 divisors (see below), whose sum is σ = 103706614464. Its totient is φ = 34503134400.

The previous prime is 64755005503. The next prime is 64755005509. The reversal of 64755005505 is 50550055746.

It is a happy number.

64755005505 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 64755005505 - 2¹ = 64755005503 is a prime.

It is a super-3 number, since 3×64755005505³ (a number of 33 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (64755005503) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2037994 + ... + 2069523.

It is an arithmetic number, because the mean of its divisors is an integer number (6481663404).

Almost surely, 2^64755005505 is an apocalyptic number.

It is an amenable number.

64755005505 is a deficient number, since it is larger than the sum of its proper divisors (38951608959).

64755005505 is a wasteful number, since it uses less digits than its factorization.

64755005505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4108576.

The product of its (nonzero) digits is 525000, while the sum is 42.

The spelling of 64755005505 in words is "sixty-four billion, seven hundred fifty-five million, five thousand, five hundred five".