64001055 has 16 divisors (see below), whose sum is σ = 102546144. Its totient is φ = 34085760.

The previous prime is 64001023. The next prime is 64001059. The reversal of 64001055 is 55010046.

It is a happy number.

64001055 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 64001055 - 2⁵ = 64001023 is a prime.

It is a super-2 number, since 2×64001055² = 8192270082226050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64001059) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9717 + ... + 14913.

It is an arithmetic number, because the mean of its divisors is an integer number (6409134).

Almost surely, 2^64001055 is an apocalyptic number.

64001055 is a deficient number, since it is larger than the sum of its proper divisors (38545089).

64001055 is a wasteful number, since it uses less digits than its factorization.

64001055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6026.

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 64001055 is about 8000.0659372283. The cubic root of 64001055 is about 400.0021979046.

The spelling of 64001055 in words is "sixty-four million, one thousand, fifty-five".