55051888872167 has 4 divisors (see below), whose sum is σ = 60056606042376. Its totient is φ = 50047171701960.

The previous prime is 55051888872077. The next prime is 55051888872173. The reversal of 55051888872167 is 76127888815055.

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 55051888872167 - 2²⁸ = 55051620436711 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 55051888872167.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55051888872067) 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, 2502358585088 + ... + 2502358585109.

It is an arithmetic number, because the mean of its divisors is an integer number (15014151510594).

Almost surely, 2^{55051888872167} is an apocalyptic number.

55051888872167 is a deficient number, since it is larger than the sum of its proper divisors (5004717170209).

55051888872167 is a wasteful number, since it uses less digits than its factorization.

55051888872167 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5004717170208.

The product of its (nonzero) digits is 301056000, while the sum is 71.

The spelling of 55051888872167 in words is "fifty-five trillion, fifty-one billion, eight hundred eighty-eight million, eight hundred seventy-two thousand, one hundred sixty-seven".