55183871 has 4 divisors (see below), whose sum is σ = 55235544. Its totient is φ = 55132200.

The previous prime is 55183867. The next prime is 55183879. The reversal of 55183871 is 17838155.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 17838155 = 5 ⋅3567631.

It is a cyclic number.

It is not a de Polignac number, because 55183871 - 2² = 55183867 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 (55183879) 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, 24200 + ... + 26381.

It is an arithmetic number, because the mean of its divisors is an integer number (13808886).

Almost surely, 2^55183871 is an apocalyptic number.

55183871 is a deficient number, since it is larger than the sum of its proper divisors (51673).

55183871 is a wasteful number, since it uses less digits than its factorization.

55183871 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51672.

The product of its digits is 33600, while the sum is 38.

The square root of 55183871 is about 7428.5847238892. The cubic root of 55183871 is about 380.7185641913.

The spelling of 55183871 in words is "fifty-five million, one hundred eighty-three thousand, eight hundred seventy-one".