53166371 has 4 divisors (see below), whose sum is σ = 53227872. Its totient is φ = 53104872.

The previous prime is 53166349. The next prime is 53166403. The reversal of 53166371 is 17366135.

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

It is a cyclic number.

It is not a de Polignac number, because 53166371 - 2⁶ = 53166307 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53166331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29435 + ... + 31188.

It is an arithmetic number, because the mean of its divisors is an integer number (13306968).

Almost surely, 2^53166371 is an apocalyptic number.

53166371 is a deficient number, since it is larger than the sum of its proper divisors (61501).

53166371 is an equidigital number, since it uses as much as digits as its factorization.

53166371 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61500.

The product of its digits is 11340, while the sum is 32.

The square root of 53166371 is about 7291.5273434309. The cubic root of 53166371 is about 376.0212070240.

The spelling of 53166371 in words is "fifty-three million, one hundred sixty-six thousand, three hundred seventy-one".