55065155165657 has 8 divisors (see below), whose sum is σ = 67772498665536. Its totient is φ = 43568034856272.

The previous prime is 55065155165653. The next prime is 55065155165659. The reversal of 55065155165657 is 75656155156055.

55065155165657 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 55065155165657 - 2² = 55065155165653 is a prime.

It is a super-2 number, since 2×55065155165657² (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 55065155165657.

It is not an unprimeable number, because it can be changed into a prime (55065155165653) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 302555797523 + ... + 302555797704.

It is an arithmetic number, because the mean of its divisors is an integer number (8471562333192).

Almost surely, 2^{55065155165657} is an apocalyptic number.

It is an amenable number.

55065155165657 is a deficient number, since it is larger than the sum of its proper divisors (12707343499879).

55065155165657 is a wasteful number, since it uses less digits than its factorization.

55065155165657 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 605111595247.

The product of its (nonzero) digits is 118125000, while the sum is 62.

The spelling of 55065155165657 in words is "fifty-five trillion, sixty-five billion, one hundred fifty-five million, one hundred sixty-five thousand, six hundred fifty-seven".