653550065050 has 24 divisors (see below), whose sum is σ = 1215925998300. Its totient is φ = 261350590080.

The previous prime is 653550065029. The next prime is 653550065081. The reversal of 653550065050 is 50560055356.

It can be written as a sum of positive squares in 6 ways, for example, as 433689419601 + 219860645449 = 658551^2 + 468893^2 .

It is a junction number, because it is equal to n+sod(n) for n = 653550064994 and 653550065012.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 1545565 + ... + 1922464.

Almost surely, 2^653550065050 is an apocalyptic number.

653550065050 is a deficient number, since it is larger than the sum of its proper divisors (562375933250).

653550065050 is a wasteful number, since it uses less digits than its factorization.

653550065050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3471810 (or 3471805 counting only the distinct ones).

The product of its (nonzero) digits is 337500, while the sum is 40.

The spelling of 653550065050 in words is "six hundred fifty-three billion, five hundred fifty million, sixty-five thousand, fifty".