53171803 has 8 divisors (see below), whose sum is σ = 54884160. Its totient is φ = 51486600.

The previous prime is 53171749. The next prime is 53171843. The reversal of 53171803 is 30817135.

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-53171803 is a prime.

It is not an unprimeable number, because it can be changed into a prime (53171843) 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, 2773 + ... + 10678.

It is an arithmetic number, because the mean of its divisors is an integer number (6860520).

Almost surely, 2^53171803 is an apocalyptic number.

53171803 is a deficient number, since it is larger than the sum of its proper divisors (1712357).

53171803 is a wasteful number, since it uses less digits than its factorization.

53171803 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13577.

The product of its (nonzero) digits is 2520, while the sum is 28.

The square root of 53171803 is about 7291.8998210343. The cubic root of 53171803 is about 376.0340125977.

Adding to 53171803 its reverse (30817135), we get a palindrome (83988938).

The spelling of 53171803 in words is "fifty-three million, one hundred seventy-one thousand, eight hundred three".