64055851 has 4 divisors (see below), whose sum is σ = 66840912. Its totient is φ = 61270792.

The previous prime is 64055839. The next prime is 64055891. The reversal of 64055851 is 15855046.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 64055851 - 2⁷ = 64055723 is a prime.

It is a Duffinian 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 3 ways as a sum of consecutive naturals, for example, 1392496 + ... + 1392541.

It is an arithmetic number, because the mean of its divisors is an integer number (16710228).

Almost surely, 2^64055851 is an apocalyptic number.

64055851 is a deficient number, since it is larger than the sum of its proper divisors (2785061).

64055851 is a wasteful number, since it uses less digits than its factorization.

64055851 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2785060.

The product of its (nonzero) digits is 24000, while the sum is 34.

The square root of 64055851 is about 8003.4899262759. The cubic root of 64055851 is about 400.1163224195.

The spelling of 64055851 in words is "sixty-four million, fifty-five thousand, eight hundred fifty-one".