53866671 has 8 divisors (see below), whose sum is σ = 71888640. Its totient is φ = 35877912.

The previous prime is 53866663. The next prime is 53866697. The reversal of 53866671 is 17666835.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 53866671 - 2³ = 53866663 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53866651) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4231 + ... + 11208.

It is an arithmetic number, because the mean of its divisors is an integer number (8986080).

Almost surely, 2^53866671 is an apocalyptic number.

53866671 is a deficient number, since it is larger than the sum of its proper divisors (18021969).

53866671 is a wasteful number, since it uses less digits than its factorization.

53866671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16605.

The product of its digits is 181440, while the sum is 42.

The square root of 53866671 is about 7339.3917322895. The cubic root of 53866671 is about 377.6649770841.

The spelling of 53866671 in words is "fifty-three million, eight hundred sixty-six thousand, six hundred seventy-one".