64475355 has 16 divisors (see below), whose sum is σ = 117897984. Its totient is φ = 29474400.

The previous prime is 64475309. The next prime is 64475357. The reversal of 64475355 is 55357446.

It is not a de Polignac number, because 64475355 - 2⁹ = 64474843 is a prime.

It is not an unprimeable number, because it can be changed into a prime (64475357) 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 15 ways as a sum of consecutive naturals, for example, 306921 + ... + 307130.

It is an arithmetic number, because the mean of its divisors is an integer number (7368624).

Almost surely, 2^64475355 is an apocalyptic number.

64475355 is a deficient number, since it is larger than the sum of its proper divisors (53422629).

64475355 is a wasteful number, since it uses less digits than its factorization.

64475355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 614066.

The product of its digits is 252000, while the sum is 39.

The square root of 64475355 is about 8029.6547248310. The cubic root of 64475355 is about 400.9878811353.

The spelling of 64475355 in words is "sixty-four million, four hundred seventy-five thousand, three hundred fifty-five".