53422173 has 20 divisors (see below), whose sum is σ = 91204960. Its totient is φ = 30526632.

The previous prime is 53422163. The next prime is 53422181. The reversal of 53422173 is 37122435.

It is not a de Polignac number, because 53422173 - 2²⁰ = 52373597 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53422163) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 46543 + ... + 47676.

It is an arithmetic number, because the mean of its divisors is an integer number (4560248).

Almost surely, 2^53422173 is an apocalyptic number.

It is an amenable number.

53422173 is a deficient number, since it is larger than the sum of its proper divisors (37782787).

53422173 is an equidigital number, since it uses as much as digits as its factorization.

53422173 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94238 (or 94229 counting only the distinct ones).

The product of its digits is 5040, while the sum is 27.

The square root of 53422173 is about 7309.0473387439. The cubic root of 53422173 is about 376.6232989288.

The spelling of 53422173 in words is "fifty-three million, four hundred twenty-two thousand, one hundred seventy-three".