5565402012 has 12 divisors (see below), whose sum is σ = 12985938056. Its totient is φ = 1855134000.

The previous prime is 5565401999. The next prime is 5565402019. The reversal of 5565402012 is 2102045655.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5565402019) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 231891739 + ... + 231891762.

Almost surely, 2^5565402012 is an apocalyptic number.

It is an amenable number.

5565402012 is an abundant number, since it is smaller than the sum of its proper divisors (7420536044).

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

5565402012 is a wasteful number, since it uses less digits than its factorization.

5565402012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 463783508 (or 463783506 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 30.

The square root of 5565402012 is about 74601.6220467089. The cubic root of 5565402012 is about 1772.1433398783.

Adding to 5565402012 its reverse (2102045655), we get a palindrome (7667447667).

The spelling of 5565402012 in words is "five billion, five hundred sixty-five million, four hundred two thousand, twelve".