55663515627127 has 4 divisors (see below), whose sum is σ = 55663552428280. Its totient is φ = 55663478825976.

The previous prime is 55663515627089. The next prime is 55663515627163. The reversal of 55663515627127 is 72172651536655.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55663515627127 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55663515624127) 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, 16029948 + ... + 19190785.

It is an arithmetic number, because the mean of its divisors is an integer number (13915888107070).

Almost surely, 2^{55663515627127} is an apocalyptic number.

55663515627127 is a deficient number, since it is larger than the sum of its proper divisors (36801153).

55663515627127 is a wasteful number, since it uses less digits than its factorization.

55663515627127 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36801152.

The product of its digits is 79380000, while the sum is 61.

The spelling of 55663515627127 in words is "fifty-five trillion, six hundred sixty-three billion, five hundred fifteen million, six hundred twenty-seven thousand, one hundred twenty-seven".