55056105501001 has 4 divisors (see below), whose sum is σ = 60061206001104. Its totient is φ = 50051005000900.

The previous prime is 55056105500969. The next prime is 55056105501011. The reversal of 55056105501001 is 10010550165055.

55056105501001 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 not a de Polignac number, because 55056105501001 - 2⁵ = 55056105500969 is a prime.

It is not an unprimeable number, because it can be changed into a prime (55056105501011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2502550250035 + ... + 2502550250056.

It is an arithmetic number, because the mean of its divisors is an integer number (15015301500276).

Almost surely, 2^{55056105501001} is an apocalyptic number.

It is an amenable number.

55056105501001 is a deficient number, since it is larger than the sum of its proper divisors (5005100500103).

55056105501001 is a wasteful number, since it uses less digits than its factorization.

55056105501001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5005100500102.

The product of its (nonzero) digits is 18750, while the sum is 34.

Adding to 55056105501001 its reverse (10010550165055), we get a palindrome (65066655666056).

The spelling of 55056105501001 in words is "fifty-five trillion, fifty-six billion, one hundred five million, five hundred one thousand, one".