55541444201 has 4 divisors (see below), whose sum is σ = 55779819732. Its totient is φ = 55303068672.

The previous prime is 55541444183. The next prime is 55541444213. The reversal of 55541444201 is 10244414555.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 16692640000 + 38848804201 = 129200^2 + 197101^2 .

It is a cyclic number.

It is not a de Polignac number, because 55541444201 - 2²⁶ = 55474335337 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55541444251) 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, 119187416 + ... + 119187881.

It is an arithmetic number, because the mean of its divisors is an integer number (13944954933).

Almost surely, 2^55541444201 is an apocalyptic number.

It is an amenable number.

55541444201 is a deficient number, since it is larger than the sum of its proper divisors (238375531).

55541444201 is a wasteful number, since it uses less digits than its factorization.

55541444201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 238375530.

The product of its (nonzero) digits is 64000, while the sum is 35.

Adding to 55541444201 its reverse (10244414555), we get a palindrome (65785858756).

The spelling of 55541444201 in words is "fifty-five billion, five hundred forty-one million, four hundred forty-four thousand, two hundred one".