64135055 has 8 divisors (see below), whose sum is σ = 77668800. Its totient is φ = 50836896.

The previous prime is 64135039. The next prime is 64135061. The reversal of 64135055 is 55053146.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 64135055 - 2⁴ = 64135039 is a prime.

It is a super-2 number, since 2×64135055² = 8226610559706050, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 58295 + ... + 59384.

It is an arithmetic number, because the mean of its divisors is an integer number (9708600).

Almost surely, 2^64135055 is an apocalyptic number.

64135055 is a deficient number, since it is larger than the sum of its proper divisors (13533745).

64135055 is a wasteful number, since it uses less digits than its factorization.

64135055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117793.

The product of its (nonzero) digits is 9000, while the sum is 29.

The square root of 64135055 is about 8008.4364891032. The cubic root of 64135055 is about 400.2811669000.

The spelling of 64135055 in words is "sixty-four million, one hundred thirty-five thousand, fifty-five".