55106115565 has 8 divisors (see below), whose sum is σ = 66144906360. Its totient is φ = 44073180672.

The previous prime is 55106115563. The next prime is 55106115683. The reversal of 55106115565 is 56551160155.

It can be written as a sum of positive squares in 4 ways, for example, as 1414737769 + 53691377796 = 37613^2 + 231714^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 55106115565 - 2¹ = 55106115563 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55106115563) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1443244 + ... + 1480933.

It is an arithmetic number, because the mean of its divisors is an integer number (8268113295).

Almost surely, 2^55106115565 is an apocalyptic number.

It is an amenable number.

55106115565 is a deficient number, since it is larger than the sum of its proper divisors (11038790795).

55106115565 is a wasteful number, since it uses less digits than its factorization.

55106115565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2927951.

The product of its (nonzero) digits is 112500, while the sum is 40.

The spelling of 55106115565 in words is "fifty-five billion, one hundred six million, one hundred fifteen thousand, five hundred sixty-five".