5553565216601 has 4 divisors (see below), whose sum is σ = 5689018026804. Its totient is φ = 5418112406400.

The previous prime is 5553565216579. The next prime is 5553565216627. The reversal of 5553565216601 is 1066125653555.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 598845370201 + 4954719846400 = 773851^2 + 2225920^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5553565216601 is a prime.

It is a super-4 number, since 4×5553565216601⁴ (a number of 52 digits) contains 4444 as substring.

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 5553565216601.

It is not an unprimeable number, because it can be changed into a prime (5553565210601) 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, 67726405040 + ... + 67726405121.

It is an arithmetic number, because the mean of its divisors is an integer number (1422254506701).

Almost surely, 2^{5553565216601} is an apocalyptic number.

It is an amenable number.

5553565216601 is a deficient number, since it is larger than the sum of its proper divisors (135452810203).

5553565216601 is a wasteful number, since it uses less digits than its factorization.

5553565216601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135452810202.

The product of its (nonzero) digits is 4050000, while the sum is 50.

The spelling of 5553565216601 in words is "five trillion, five hundred fifty-three billion, five hundred sixty-five million, two hundred sixteen thousand, six hundred one".