55160447 has 4 divisors (see below), whose sum is σ = 55563216. Its totient is φ = 54757680.

The previous prime is 55160437. The next prime is 55160459. The reversal of 55160447 is 74406155.

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 55160447 - 2⁶ = 55160383 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 (55160437) 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, 201179 + ... + 201452.

It is an arithmetic number, because the mean of its divisors is an integer number (13890804).

Almost surely, 2^55160447 is an apocalyptic number.

55160447 is a deficient number, since it is larger than the sum of its proper divisors (402769).

55160447 is a wasteful number, since it uses less digits than its factorization.

55160447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 402768.

The product of its (nonzero) digits is 16800, while the sum is 32.

The square root of 55160447 is about 7427.0079439839. The cubic root of 55160447 is about 380.6646884628.

The spelling of 55160447 in words is "fifty-five million, one hundred sixty thousand, four hundred forty-seven".