53166187 has 8 divisors (see below), whose sum is σ = 53786880. Its totient is φ = 52549440.

The previous prime is 53166181. The next prime is 53166203. The reversal of 53166187 is 78166135.

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

It is a cyclic number.

It is not a de Polignac number, because 53166187 - 2⁷ = 53166059 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53166181) 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, 32239 + ... + 33847.

It is an arithmetic number, because the mean of its divisors is an integer number (6723360).

Almost surely, 2^53166187 is an apocalyptic number.

53166187 is a deficient number, since it is larger than the sum of its proper divisors (620693).

53166187 is a wasteful number, since it uses less digits than its factorization.

53166187 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1973.

The product of its digits is 30240, while the sum is 37.

The square root of 53166187 is about 7291.5147260360. The cubic root of 53166187 is about 376.0207732412.

The spelling of 53166187 in words is "fifty-three million, one hundred sixty-six thousand, one hundred eighty-seven".