55532011165 has 4 divisors (see below), whose sum is σ = 66638413404. Its totient is φ = 44425608928.

The previous prime is 55532011163. The next prime is 55532011219. The reversal of 55532011165 is 56111023555.

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 6090709849 + 49441301316 = 78043^2 + 222354^2 .

It is a cyclic number.

It is not a de Polignac number, because 55532011165 - 2¹ = 55532011163 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 55532011165.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55532011163) 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, 5553201112 + ... + 5553201121.

It is an arithmetic number, because the mean of its divisors is an integer number (16659603351).

Almost surely, 2^55532011165 is an apocalyptic number.

It is an amenable number.

55532011165 is a deficient number, since it is larger than the sum of its proper divisors (11106402239).

55532011165 is a wasteful number, since it uses less digits than its factorization.

55532011165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11106402238.

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

The spelling of 55532011165 in words is "fifty-five billion, five hundred thirty-two million, eleven thousand, one hundred sixty-five".