53171305 has 8 divisors (see below), whose sum is σ = 69606144. Its totient is φ = 38670000.

The previous prime is 53171303. The next prime is 53171311. The reversal of 53171305 is 50317135.

53171305 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 53171305 - 2¹ = 53171303 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 53171305.

It is not an unprimeable number, because it can be changed into a prime (53171303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 483321 + ... + 483430.

It is an arithmetic number, because the mean of its divisors is an integer number (8700768).

Almost surely, 2^53171305 is an apocalyptic number.

53171305 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

53171305 is a deficient number, since it is larger than the sum of its proper divisors (16434839).

53171305 is a wasteful number, since it uses less digits than its factorization.

53171305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 966767.

The product of its (nonzero) digits is 1575, while the sum is 25.

The square root of 53171305 is about 7291.8656734748. The cubic root of 53171305 is about 376.0328386326.

It can be divided in two parts, 5317130 and 5, that added together give a palindrome (5317135).

The spelling of 53171305 in words is "fifty-three million, one hundred seventy-one thousand, three hundred five".