55761617171 has 4 divisors (see below), whose sum is σ = 60050972352. Its totient is φ = 51472261992.

The previous prime is 55761617147. The next prime is 55761617203. The reversal of 55761617171 is 17171616755.

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

It is a cyclic number.

It is not a de Polignac number, because 55761617171 - 2¹⁰ = 55761616147 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55761616171) 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, 2144677571 + ... + 2144677596.

It is an arithmetic number, because the mean of its divisors is an integer number (15012743088).

Almost surely, 2^55761617171 is an apocalyptic number.

55761617171 is a deficient number, since it is larger than the sum of its proper divisors (4289355181).

55761617171 is a wasteful number, since it uses less digits than its factorization.

55761617171 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4289355180.

The product of its digits is 308700, while the sum is 47.

The spelling of 55761617171 in words is "fifty-five billion, seven hundred sixty-one million, six hundred seventeen thousand, one hundred seventy-one".