65547228001 has 4 divisors (see below), whose sum is σ = 65757991104. Its totient is φ = 65336464900.

The previous prime is 65547227987. The next prime is 65547228059. The reversal of 65547228001 is 10082274556.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 65547228001 - 2⁵ = 65547227969 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (65547228601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 105381085 + ... + 105381706.

It is an arithmetic number, because the mean of its divisors is an integer number (16439497776).

Almost surely, 2^65547228001 is an apocalyptic number.

It is an amenable number.

65547228001 is a deficient number, since it is larger than the sum of its proper divisors (210763103).

65547228001 is a wasteful number, since it uses less digits than its factorization.

65547228001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210763102.

The product of its (nonzero) digits is 134400, while the sum is 40.

The spelling of 65547228001 in words is "sixty-five billion, five hundred forty-seven million, two hundred twenty-eight thousand, one".