64561848 has 64 divisors (see below), whose sum is σ = 182985600. Its totient is φ = 18817920.

The previous prime is 64561841. The next prime is 64561873. The reversal of 64561848 is 84816546.

64561848 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64561841) 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, 483 + ... + 11373.

It is an arithmetic number, because the mean of its divisors is an integer number (2859150).

Almost surely, 2^64561848 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 64561848, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (91492800).

64561848 is an abundant number, since it is smaller than the sum of its proper divisors (118423752).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

64561848 is a wasteful number, since it uses less digits than its factorization.

64561848 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10932 (or 10928 counting only the distinct ones).

The product of its digits is 184320, while the sum is 42.

The square root of 64561848 is about 8035.0387677970. The cubic root of 64561848 is about 401.1671080019.

The spelling of 64561848 in words is "sixty-four million, five hundred sixty-one thousand, eight hundred forty-eight".