64523335055 has 16 divisors (see below), whose sum is σ = 80071901184. Its totient is φ = 49862161440.

The previous prime is 64523335043. The next prime is 64523335067. The reversal of 64523335055 is 55053332546.

It is an interprime number because it is at equal distance from previous prime (64523335043) and next prime (64523335067).

It is not a de Polignac number, because 64523335055 - 2⁶ = 64523334991 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 295727 + ... + 465296.

It is an arithmetic number, because the mean of its divisors is an integer number (5004493824).

Almost surely, 2^64523335055 is an apocalyptic number.

64523335055 is a deficient number, since it is larger than the sum of its proper divisors (15548566129).

64523335055 is a wasteful number, since it uses less digits than its factorization.

64523335055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 761606.

The product of its (nonzero) digits is 810000, while the sum is 41.

The spelling of 64523335055 in words is "sixty-four billion, five hundred twenty-three million, three hundred thirty-five thousand, fifty-five".