64548441 has 16 divisors (see below), whose sum is σ = 95843200. Its totient is φ = 42935184.

The previous prime is 64548389. The next prime is 64548493. The reversal of 64548441 is 14484546.

It is a happy number.

64548441 is a `hidden beast` number, since 645 + 4 + 8 + 4 + 4 + 1 = 666.

It is an interprime number because it is at equal distance from previous prime (64548389) and next prime (64548493).

It is a de Polignac number, because none of the positive numbers 2^k-64548441 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 64548396 and 64548405.

It is not an unprimeable number, because it can be changed into a prime (64541441) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10695 + ... + 15603.

It is an arithmetic number, because the mean of its divisors is an integer number (5990200).

Almost surely, 2^64548441 is an apocalyptic number.

It is an amenable number.

64548441 is a deficient number, since it is larger than the sum of its proper divisors (31294759).

64548441 is a wasteful number, since it uses less digits than its factorization.

64548441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5405 (or 5399 counting only the distinct ones).

The product of its digits is 61440, while the sum is 36.

The square root of 64548441 is about 8034.2044410134. The cubic root of 64548441 is about 401.1393371129.

The spelling of 64548441 in words is "sixty-four million, five hundred forty-eight thousand, four hundred forty-one".