55005100016001 has 4 divisors (see below), whose sum is σ = 73340133354672. Its totient is φ = 36670066677332.

The previous prime is 55005100015993. The next prime is 55005100016071. The reversal of 55005100016001 is 10061000150055.

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 55005100016001 - 2³ = 55005100015993 is a prime.

It is a super-2 number, since 2×55005100016001² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (55005100016071) 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, 9167516669331 + ... + 9167516669336.

It is an arithmetic number, because the mean of its divisors is an integer number (18335033338668).

Almost surely, 2^{55005100016001} is an apocalyptic number.

It is an amenable number.

55005100016001 is a deficient number, since it is larger than the sum of its proper divisors (18335033338671).

55005100016001 is a wasteful number, since it uses less digits than its factorization.

55005100016001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18335033338670.

The product of its (nonzero) digits is 750, while the sum is 24.

Adding to 55005100016001 its reverse (10061000150055), we get a palindrome (65066100166056).

The spelling of 55005100016001 in words is "fifty-five trillion, five billion, one hundred million, sixteen thousand, one".