65544061 has 8 divisors (see below), whose sum is σ = 75708864. Its totient is φ = 56080320.

The previous prime is 65544049. The next prime is 65544079. The reversal of 65544061 is 16044556.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 65544061 - 2¹⁵ = 65511293 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65544001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 175065 + ... + 175438.

It is an arithmetic number, because the mean of its divisors is an integer number (9463608).

Almost surely, 2^65544061 is an apocalyptic number.

It is an amenable number.

65544061 is a deficient number, since it is larger than the sum of its proper divisors (10164803).

65544061 is a wasteful number, since it uses less digits than its factorization.

65544061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 350531.

The product of its (nonzero) digits is 14400, while the sum is 31.

The square root of 65544061 is about 8095.9286681640. The cubic root of 65544061 is about 403.1912656005.

The spelling of 65544061 in words is "sixty-five million, five hundred forty-four thousand, sixty-one".