65542433 has 16 divisors (see below), whose sum is σ = 75261312. Its totient is φ = 56966800.

The previous prime is 65542427. The next prime is 65542439. The reversal of 65542433 is 33424556.

It is an interprime number because it is at equal distance from previous prime (65542427) and next prime (65542439).

It is not a de Polignac number, because 65542433 - 2⁴ = 65542417 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 65542433.

It is not an unprimeable number, because it can be changed into a prime (65542439) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29543 + ... + 31683.

It is an arithmetic number, because the mean of its divisors is an integer number (4703832).

Almost surely, 2^65542433 is an apocalyptic number.

It is an amenable number.

65542433 is a deficient number, since it is larger than the sum of its proper divisors (9718879).

65542433 is a wasteful number, since it uses less digits than its factorization.

65542433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2197 (or 2175 counting only the distinct ones).

The product of its digits is 43200, while the sum is 32.

The square root of 65542433 is about 8095.8281231755. The cubic root of 65542433 is about 403.1879273839.

Adding to 65542433 its reverse (33424556), we get a palindrome (98966989).

The spelling of 65542433 in words is "sixty-five million, five hundred forty-two thousand, four hundred thirty-three".