64533546 has 96 divisors (see below), whose sum is σ = 176432256. Its totient is φ = 16560000.

The previous prime is 64533527. The next prime is 64533569.

64533546 is a `hidden beast` number, since 64 + 53 + 3 + 546 = 666.

64533546 is nontrivially palindromic in base 10.

64533546 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 64533546.

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 139756 + ... + 140216.

It is an arithmetic number, because the mean of its divisors is an integer number (1837836).

Almost surely, 2^64533546 is an apocalyptic number.

64533546 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 64533546, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (88216128).

64533546 is an abundant number, since it is smaller than the sum of its proper divisors (111898710).

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

64533546 is a wasteful number, since it uses less digits than its factorization.

64533546 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 588 (or 585 counting only the distinct ones).

The product of its digits is 129600, while the sum is 36.

The square root of 64533546 is about 8033.2774133600. The cubic root of 64533546 is about 401.1084795121.

It can be divided in two parts, 6453 and 3546, that added together give a palindrome (9999).

The spelling of 64533546 in words is "sixty-four million, five hundred thirty-three thousand, five hundred forty-six".