53811171 has 12 divisors (see below), whose sum is σ = 82299672. Its totient is φ = 33763776.

The previous prime is 53811169. The next prime is 53811179. The reversal of 53811171 is 17111835.

It is not a de Polignac number, because 53811171 - 2¹ = 53811169 is a prime.

It is not an unprimeable number, because it can be changed into a prime (53811179) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 175701 + ... + 176006.

It is an arithmetic number, because the mean of its divisors is an integer number (6858306).

Almost surely, 2^53811171 is an apocalyptic number.

53811171 is a gapful number since it is divisible by the number (51) formed by its first and last digit.

53811171 is a deficient number, since it is larger than the sum of its proper divisors (28488501).

53811171 is a wasteful number, since it uses less digits than its factorization.

53811171 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 351730 (or 351727 counting only the distinct ones).

The product of its digits is 840, while the sum is 27.

The square root of 53811171 is about 7335.6097906036. The cubic root of 53811171 is about 377.5352270388.

The spelling of 53811171 in words is "fifty-three million, eight hundred eleven thousand, one hundred seventy-one".