64696055 has 8 divisors (see below), whose sum is σ = 78404544. Its totient is φ = 51244000.

The previous prime is 64695979. The next prime is 64696057. The reversal of 64696055 is 55069646.

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

It is a de Polignac number, because none of the positive numbers 2^k-64696055 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64696057) 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 in 7 ways as a sum of consecutive naturals, for example, 63551 + ... + 64560.

It is an arithmetic number, because the mean of its divisors is an integer number (9800568).

Almost surely, 2^64696055 is an apocalyptic number.

64696055 is a deficient number, since it is larger than the sum of its proper divisors (13708489).

64696055 is a wasteful number, since it uses less digits than its factorization.

64696055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128217.

The product of its (nonzero) digits is 194400, while the sum is 41.

The square root of 64696055 is about 8043.3857920654. The cubic root of 64696055 is about 401.4448890381. Note that the first 3 decimals are identical.

The spelling of 64696055 in words is "sixty-four million, six hundred ninety-six thousand, fifty-five".