55506165001 has 4 divisors (see below), whose sum is σ = 63435617152. Its totient is φ = 47576712852.

The previous prime is 55506164927. The next prime is 55506165017. The reversal of 55506165001 is 10056160555.

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 55506165001 - 2¹⁵ = 55506132233 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55506165031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3964726065 + ... + 3964726078.

It is an arithmetic number, because the mean of its divisors is an integer number (15858904288).

Almost surely, 2^55506165001 is an apocalyptic number.

It is an amenable number.

55506165001 is a deficient number, since it is larger than the sum of its proper divisors (7929452151).

55506165001 is an equidigital number, since it uses as much as digits as its factorization.

55506165001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7929452150.

The product of its (nonzero) digits is 22500, while the sum is 34.

The spelling of 55506165001 in words is "fifty-five billion, five hundred six million, one hundred sixty-five thousand, one".