64055871 has 24 divisors (see below), whose sum is σ = 101896704. Its totient is φ = 38452560.

The previous prime is 64055839. The next prime is 64055891. The reversal of 64055871 is 17855046.

64055871 is a `hidden beast` number, since 640 + 5 + 5 + 8 + 7 + 1 = 666.

It is not a de Polignac number, because 64055871 - 2⁵ = 64055839 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64055801) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7570 + ... + 13616.

It is an arithmetic number, because the mean of its divisors is an integer number (4245696).

Almost surely, 2^64055871 is an apocalyptic number.

64055871 is a deficient number, since it is larger than the sum of its proper divisors (37840833).

64055871 is a wasteful number, since it uses less digits than its factorization.

64055871 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6171 (or 6168 counting only the distinct ones).

The product of its (nonzero) digits is 33600, while the sum is 36.

The square root of 64055871 is about 8003.4911757308. The cubic root of 64055871 is about 400.1163640619.

The spelling of 64055871 in words is "sixty-four million, fifty-five thousand, eight hundred seventy-one".