55442550101201 has 4 divisors (see below), whose sum is σ = 55960704775152. Its totient is φ = 54924395427252.

The previous prime is 55442550101161. The next prime is 55442550101233. The reversal of 55442550101201 is 10210105524455.

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 a de Polignac number, because none of the positive numbers 2^k-55442550101201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55442550101101) 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, 259077336815 + ... + 259077337028.

It is an arithmetic number, because the mean of its divisors is an integer number (13990176193788).

Almost surely, 2^{55442550101201} is an apocalyptic number.

It is an amenable number.

55442550101201 is a deficient number, since it is larger than the sum of its proper divisors (518154673951).

55442550101201 is a wasteful number, since it uses less digits than its factorization.

55442550101201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 518154673950.

The product of its (nonzero) digits is 40000, while the sum is 35.

Adding to 55442550101201 its reverse (10210105524455), we get a palindrome (65652655625656).

The spelling of 55442550101201 in words is "fifty-five trillion, four hundred forty-two billion, five hundred fifty million, one hundred one thousand, two hundred one".