55202252205013 has 8 divisors (see below), whose sum is σ = 55299074020632. Its totient is φ = 55105434372096.

The previous prime is 55202252204977. The next prime is 55202252205031. The reversal of 55202252205013 is 31050225220255.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 33873307926084 + 21328944278929 = 5820078^2 + 4618327^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 55202252205013 - 2⁹ = 55202252204501 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 55202252205013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55202252205413) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27462081 + ... + 29403577.

It is an arithmetic number, because the mean of its divisors is an integer number (6912384252579).

Almost surely, 2^{55202252205013} is an apocalyptic number.

It is an amenable number.

55202252205013 is a deficient number, since it is larger than the sum of its proper divisors (96821815619).

55202252205013 is a wasteful number, since it uses less digits than its factorization.

55202252205013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1991351.

The product of its (nonzero) digits is 60000, while the sum is 34.

Adding to 55202252205013 its reverse (31050225220255), we get a palindrome (86252477425268).

The spelling of 55202252205013 in words is "fifty-five trillion, two hundred two billion, two hundred fifty-two million, two hundred five thousand, thirteen".