55176143 has 4 divisors (see below), whose sum is σ = 60192168. Its totient is φ = 50160120.

The previous prime is 55176131. The next prime is 55176157. The reversal of 55176143 is 34167155.

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 55176143 - 2¹⁴ = 55159759 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 (55176113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2507996 + ... + 2508017.

It is an arithmetic number, because the mean of its divisors is an integer number (15048042).

Almost surely, 2^55176143 is an apocalyptic number.

55176143 is a deficient number, since it is larger than the sum of its proper divisors (5016025).

55176143 is a wasteful number, since it uses less digits than its factorization.

55176143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5016024.

The product of its digits is 12600, while the sum is 32.

The square root of 55176143 is about 7428.0645527620. The cubic root of 55176143 is about 380.7007913024.

The spelling of 55176143 in words is "fifty-five million, one hundred seventy-six thousand, one hundred forty-three".