55105671 has 4 divisors (see below), whose sum is σ = 73474232. Its totient is φ = 36737112.

The previous prime is 55105663. The next prime is 55105679. The reversal of 55105671 is 17650155.

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

It is an interprime number because it is at equal distance from previous prime (55105663) and next prime (55105679).

It is not a de Polignac number, because 55105671 - 2³ = 55105663 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 (55105679) 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, 9184276 + ... + 9184281.

It is an arithmetic number, because the mean of its divisors is an integer number (18368558).

Almost surely, 2^55105671 is an apocalyptic number.

55105671 is a deficient number, since it is larger than the sum of its proper divisors (18368561).

55105671 is a wasteful number, since it uses less digits than its factorization.

55105671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18368560.

The product of its (nonzero) digits is 5250, while the sum is 30.

The square root of 55105671 is about 7423.3194057645. The cubic root of 55105671 is about 380.5386428636.

The spelling of 55105671 in words is "fifty-five million, one hundred five thousand, six hundred seventy-one".