53667871 has 8 divisors (see below), whose sum is σ = 55943600. Its totient is φ = 51435648.

The previous prime is 53667847. The next prime is 53667899. The reversal of 53667871 is 17876635.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-53667871 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 (53617871) 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, 8346 + ... + 13303.

It is an arithmetic number, because the mean of its divisors is an integer number (6992950).

Almost surely, 2^53667871 is an apocalyptic number.

53667871 is a deficient number, since it is larger than the sum of its proper divisors (2275729).

53667871 is a wasteful number, since it uses less digits than its factorization.

53667871 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21753.

The product of its digits is 211680, while the sum is 43.

The square root of 53667871 is about 7325.8358567470. The cubic root of 53667871 is about 377.1998016865.

The spelling of 53667871 in words is "fifty-three million, six hundred sixty-seven thousand, eight hundred seventy-one".